Word Formation – English Grammar Exercises for B1
Read the story about my clumsy morning. Choose the best option (A, B, C, or D) to complete each sentence.
1 “I still can’t believe how ______ I was this morning in the kitchen.”
(A) care
(B) carelessly
(C) careless
(D) careful
2 “Putting my favorite ceramic mug right on the very edge of the table was a completely ______ action.”
(A) thought
(B) thoughtless
(C) thoughtful
(D) thoughtlessly
3 “I accidentally bumped the table. It seemed like a ______ tap, but it was enough to push the mug over.”
(A) harm
(B) harmless
(C) harmful
(D) harmlessly
4 “I tried to grab it mid-air, but my slow reflexes were totally ______.”
(A) use
(B) useful
(C) useless
(D) uselessly
5 “Watching my beautiful mug fall to the floor in slow motion, I felt completely ______.”
(A) helpless
(B) help
(C) helpful
(D) helplessly
6 “When it hit the hard tiles, the loud crash left me completely ______ for a few seconds.”
(A) speech
(B) speechless
(C) speaking
(D) speechlessly
7 “I looked down and saw that the mug had shattered into dozens of ______ pieces.”
(A) shape
(B) shapeless
(C) shapely
(D) shapelessness
8 “My absolutely perfect, ______ mug was now ruined forever.”
(A) flaw
(B) flawless
(C) flawed
(D) flawlessly
9 “I just stood there staring at the mess, feeling incredibly ______ about what I had just done.”
(A) mind
(B) mindful
(C) mindless
(D) mindlessly
10 “Now, it is nothing more than a pile of ______ broken clay.”
(A) worth
(B) worthy
(C) worthless
(D) worthlessly
11 “While sweeping up the broken pieces, I realized my clumsiness is truly ______.”
(A) end
(B) endless
(C) ending
(D) endlessly
12 “I was so upset and shocked that my face went completely ______.”
(A) color
(B) colorful
(C) coloring
(D) colorless
13 “I thought about fixing it, but trying to glue it back together would be a ______ effort.”
(A) hope
(B) hopeful
(C) hopeless
(D) hopelessly
14 “Drinking coffee out of a regular, boring glass felt entirely ______ to me this morning.”
(A) joy
(B) joyful
(C) joyless
(D) joylessly
15 “Without my special mug, my morning routine suddenly felt empty and ______.”
(A) meaning
(B) meaningful
(C) meaningless
(D) meaninglessly
16 “I usually keep the kitchen counter ______, so the mess on the floor was very obvious.”
(A) spot
(B) spotless
(C) spotted
(D) spotlessly
17 “I am so sad that I know I will probably have a ______ night thinking about how stupid I was.”
(A) sleep
(B) sleepy
(C) sleepless
(D) sleeping
18 “I wanted to apologize to my grandmother who gave it to me, but I felt ______ to fix the situation.”
(A) power
(B) powerful
(C) powerless
(D) powerlessly
19 “I can’t blame the cat, the wind, or anyone else; I am definitely not ______ in this situation.”
(A) fault
(B) faultless
(C) faulty
(D) faulted
20 “Next time, I promise I will not be so ______ with the things I love.”
(A) sense
(B) sensible
(C) senseless
(D) senselessly
ANSWER KEY & EXPLANATIONS
1 (C) careless
- Why it is correct (The Key): We need an adjective after the “to be” verb (was) to describe the subject “I”. Care (noun) + -less (suffix) = careless (without care/attention).
- Distractor Analysis: * (A) Structural Error: Noun. Cannot be used as an adjective here.
- (B) Common Mistake: Adverb (carelessly). Adverbs describe verbs, not the pronoun “I”.
- (D) Strong Distractor: Careful is the opposite meaning. The context is an accident, so being “careful” is wrong.
2 (B) thoughtless
- Why it is correct (The Key): Describes the noun “action”. Thought + -less = thoughtless (done without thinking).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Thoughtful means considerate, which is the exact opposite of the context.
- (D) Common Mistake: Adverb (thoughtlessly). We need an adjective to modify the noun “action”.
3 (B) harmless
- Why it is correct (The Key): Describes the noun “tap”. Harm + -less = harmless (not causing damage). It seemed harmless, but it wasn’t.
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Harmful (causing damage). If it seemed harmful, the speaker wouldn’t have done it.
- (D) Common Mistake: Adverb (harmlessly).
4 (C) useless
- Why it is correct (The Key): Adjective after the verb “were”. Use + -less = useless (having no ability or skill to help).
- Distractor Analysis: * (A) Structural Error: Noun/Verb.
- (B) Strong Distractor: Useful (helpful) contradicts the fact that the mug still fell.
- (D) Common Mistake: Adverb (uselessly).
5 (A) helpless
- Why it is correct (The Key): “Feel” is a linking verb requiring an adjective. Help + -less = helpless (unable to defend oneself or act).
- Distractor Analysis: * (B) Structural Error: Noun/Verb.
- (C) Strong Distractor: Helpful. Wrong meaning.
- (D) Common Mistake: Adverb (helplessly).
6 (B) speechless
- Why it is correct (The Key): Adjective describing the speaker’s state. Speech + -less = speechless (unable to speak due to shock).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Present participle (speaking). Wrong meaning.
- (D) Common Mistake: Adverb (speechlessly).
7 (B) shapeless
- Why it is correct (The Key): Adjective modifying “pieces”. Shape + -less = shapeless (lacking a definite form).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Shapely usually means having an attractive shape (mostly used for people), totally wrong here.
- (D) Common Mistake: Noun form (shapelessness).
8 (B) flawless
- Why it is correct (The Key): Adjective describing how the mug used to be. Flaw (mistake/scratch) + -less = flawless (perfect).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Flawed (having mistakes/broken). Contradicts “perfect”.
- (D) Common Mistake: Adverb (flawlessly).
9 (C) mindless
- Why it is correct (The Key): Mind + -less = mindless (acting without thinking or intelligence).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Mindful (careful/aware). Wrong meaning.
- (D) Common Mistake: Adverb (mindlessly).
10 (C) worthless
- Why it is correct (The Key): Worth + -less = worthless (having no value or use).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Worthy (having value). The broken pieces have no value.
- (D) Common Mistake: Adverb (worthlessly).
11 (B) endless
- Why it is correct (The Key): End + -less = endless (having no end, infinite).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Present participle (ending).
- (D) Common Mistake: Adverb (endlessly).
12 (D) colorless
- Why it is correct (The Key): “Went” acts as a linking verb here (became). Color + -less = colorless (pale, losing color due to shock).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Colorful. A shocked face loses color, it doesn’t gain it.
- (C) Common Mistake: Present participle/Noun (coloring).
13 (C) hopeless
- Why it is correct (The Key): Modifying “effort”. Hope + -less = hopeless (certain to fail).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Hopeful (full of hope). Wrong meaning.
- (D) Common Mistake: Adverb (hopelessly).
14 (C) joyless
- Why it is correct (The Key): “Felt” is a linking verb. Joy + -less = joyless (bringing no happiness).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Joyful (full of happiness). Wrong meaning.
- (D) Common Mistake: Adverb (joylessly).
15 (C) meaningless
- Why it is correct (The Key): Meaning + -less = meaningless (having no purpose or significance).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Meaningful (significant). Wrong meaning.
- (D) Common Mistake: Adverb (meaninglessly).
16 (B) spotless
- Why it is correct (The Key): “Keep something + adjective”. Spot (dirt/stain) + -less = spotless (perfectly clean).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Spotted (covered in dots/stains).
- (D) Common Mistake: Adverb (spotlessly).
17 (C) sleepless
- Why it is correct (The Key): Modifies “night”. Sleep + -less = sleepless (without sleep).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Sleepy (tired). A “sleepy night” sounds unnatural; “sleepless night” is a strong collocation.
- (D) Common Mistake: Present participle (sleeping). A “sleeping night” is incorrect usage.
18 (C) powerless
- Why it is correct (The Key): Power + -less = powerless (lacking the ability or authority to do something).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Powerful. Wrong meaning.
- (D) Common Mistake: Adverb (powerlessly).
19 (B) faultless
- Why it is correct (The Key): Fault (guilt/mistake) + -less = faultless (innocent, without mistake). The speaker says “I am not faultless” (meaning: it IS my fault).
- Distractor Analysis: * (A) Structural Error: Noun.
- (C) Strong Distractor: Faulty (defective/broken, usually used for machines, not people’s guilt).
- (D) Common Mistake: Past participle (faulted).
20 (C) senseless
- Why it is correct (The Key): Sense + -less = senseless (foolish, lacking common sense).
- Distractor Analysis: * (A) Structural Error: Noun.
- (B) Strong Distractor: Sensible (smart/practical). Wrong meaning.
- (D) Common Mistake: Adverb (senselessly).
GRAMMAR POINTS TO REMEMBER
1 The Purpose of Word Formation (Noun → Adjective):
Instead of using long phrases to describe someone or something (e.g., a person who does not care, a night without sleep), we add suffixes to nouns to create adjectives. This makes your vocabulary more precise, natural, and advanced.
2 The Suffix “-less” (Without / Lacking):
When we attach -less to a noun, it creates an adjective meaning “without [Noun]” or “lacking [Noun]”.
- Care + less = Careless (Without care/attention).
- End + less = Endless (Without end).
- Spot + less = Spotless (Without a spot / perfectly clean).
3 Contrast with “-ful” (Full of):
Many nouns can take both -less and -ful to create opposite adjectives. You must read the context of the sentence carefully to choose the right one!
- Careful (Paying attention) $\leftrightarrow$ Careless (Not paying attention)
- Thoughtful (Considerate) $\leftrightarrow$ Thoughtless (Inconsiderate)
- Useful (Helpful) $\leftrightarrow$ Useless (Not helpful)
4 Syntactic Position (Where do these adjectives go?):
- After a linking verb (be, feel, look, seem, become):
- Example: I was careless. I felt helpless.
- Before a noun:
- Example: It was a thoughtless mistake. We had a sleepless night.
5 Beware of the Adverb Trap (-ly):
A very common mistake for B1 learners is confusing the Adjective (careless) with the Adverb (carelessly).
- Use the Adjective to describe a noun/pronoun: I am careless.
- Use the Adverb to describe an action verb: I dropped the mug carelessly.