Conditionals (Types 0, 1 & 2) – English Grammar Exercises For B1

1 (b)

Explanation: * Key (b): “will go” – Type 1 Conditional for a realistic future plan.

• Common Mistake (c): “go” – Uses Type 0, which implies a general truth, but “this Saturday” points to a specific future event.
• Structural Error (d): “will going” – Incorrect verb form after modal “will”.
• Strong Distractor (a): “would go” – Uses Type 2, but the if-clause uses the present tense (“finish”), requiring Type 1

2 (a)

Explanation:

• Key (a): “meets” – Type 0 Conditional for a habit or general truth (“Whenever”).
• Common Mistake (b): “will meet” – Unnecessary future tense for a routine action.
• Structural Error (d): “meeting” – Missing the auxiliary verb/incorrect finite verb form.
• Strong Distractor (c): “met” – Incorrect tense; the condition “gives” is present, not past.

3 (c)

Explanation:

• Key (c): “buy” – Type 0 Conditional (Present Simple in both clauses) for a factual statement about pricing.
• Common Mistake (a): “will buy” – Putting “will” in the if-clause is a classic learner error.
• Structural Error (b): “are buying” – Present continuous is structurally awkward here for a general condition.
• Strong Distractor (d): “bought” – Type 2 form, but the main clause (“are usually”) is present.

4 (d)

Explanation:

• Key (d): “need” – Type 1 Conditional. Present simple in the if-clause.
• Common Mistake (c): “will need” – The common error of using future tense in the if-clause.
• Structural Error (a): “needing” – V-ing cannot act as the main verb here.
• Strong Distractor (b): “needed” – Mixed tense error.

5 (a)

Explanation:

• Key (a): “will stay” – Type 1 Conditional for a likely future outcome based on the weather.
• Common Mistake (d): “would stay” – Type 2 result, but the condition (“rains”) is present.
• Structural Error (c): “staying” – Missing the modal/verb structure.
• Strong Distractor (b): “stay” – Type 0 result, but “this Saturday” makes it a specific future event, not a universal truth.

6 (b)

Explanation:

• Key (b): “were” – Type 2 Conditional for giving advice (“If I were you”).
• Common Mistake (a): “am” – Using present tense for an unreal/hypothetical situation.
• Structural Error (c): “be” – Unconjugated verb.
• Strong Distractor (d): “have been” – Wrong tense (Present Perfect) for a present hypothetical.

7 (c)

Explanation:

• Key (c): “asks” – “Unless” means “if not”. It requires an affirmative verb to mean “if my mom doesn’t ask”.
• Common Mistake (b): “will ask” – Using future tense inside the condition clause.
• Structural Error (d): “asking” – Verb form error.
• Strong Distractor (a): “doesn’t ask” – Meaning trap. “Unless my mom doesn’t ask” creates a double negative, ruining the logical meaning of the sentence.

8 (b)

Explanation:

• Key (b): “doesn’t finish” – Type 1 Conditional, negative present simple.
• Common Mistake (d): “won’t finish” – Putting “won’t” in the if-clause.
• Structural Error (c): “don’t finish” – “Sarah” is 3rd person singular; requires “doesn’t”.
• Strong Distractor (a): “didn’t finish” – Type 2 condition, but main clause (“won’t be able”) is Type 1

9 (a)

Explanation:

• Key (a): “will we do” – Question word order for Type 1 Conditional main clause.
• Common Mistake (b): “do we do” – Present tense makes it a general routine, but the context is a specific future event.
• Structural Error (d): “we will do” – Statement word order instead of question word order.
• Strong Distractor (c): “would we do” – Matches Type 2, but “is sold out” is present (Type 1).

10 (c)

Explanation:

• Key (c): “had” – Type 2 Conditional for a present unreal situation (I don’t have money now).
• Common Mistake (b): “have” – Using present tense when the main clause uses “would”.
• Structural Error (a): “having” – Incorrect verb form.
• Strong Distractor (d): “would have” – Putting “would” inside the if-clause, a very common B1 mistake.

11 (b)

Explanation:

• Key (b): “weren’t” – Type 2 Conditional. “Were” is preferred over “was” for all subjects in unreal conditionals.
• Common Mistake (c): “isn’t” – Present tense in a Type 2 condition.
• Structural Error (a): “wasn’t be” – Double verb error.
• Strong Distractor (d): “doesn’t be” – Incorrect auxiliary for the verb “to be”.

12 (b)

Explanation:

• Key (b): “don’t watch” – Type 1 conditional, negative present simple.
• Common Mistake (a): “won’t watch” – Using future tense in the if-clause.
• Structural Error (d): “not watch” – Missing the auxiliary “do”.
• Strong Distractor (c): “didn’t watch” – Type 2 condition mismatched with Type 1 main clause (“won’t understand”).

13 (a)

Explanation:

• Key (a): “take” – Type 1 Conditional. “Might” can be used instead of “will” to show possibility in the future.
• Common Mistake (d): “took” – Past tense implies Type 2, but context implies a real possibility.
• Structural Error (c): “takes” – Subject “we” requires plural verb.
• Strong Distractor (b): “will take” – Future tense in the if-clause.

14 (c)

Explanation:

• Key (c): “would join” – Type 2 Conditional main clause for a present hypothetical situation.
• Common Mistake (a): “will join” – Mismatch with the past condition (“didn’t have”).
• Structural Error (d): “would joined” – Base verb must follow “would”.
• Strong Distractor (b): “join” – Present simple cannot act as the result of a hypothetical condition.

15 (c)

Explanation:

• Key (c): “wanted” – Type 2 Conditional (“Even if” acts like “If”). Matches the result “wouldn’t let”.
• Common Mistake (a): “want” – Present tense mismatched with “wouldn’t”.
• Structural Error (d): “wanting” – Incorrect verb form.
• Strong Distractor (b): “would want” – “Would” cannot be in the if-clause.

16 (d)

Explanation:

• Key (d): “submits” – “Provided that” acts like “if” (Type 1). “Everyone” takes a singular verb.
• Common Mistake (a): “will submit” – Future tense inside the condition clause.
• Structural Error (b): “submitting” – Incorrect verb form.
• Strong Distractor (c): “submitted” – Past tense, mismatched with the “will have” main clause.

17 (a)

Explanation:

• Key (a): “extended” – “Supposing” acts like “If”. The main clause uses “would”, requiring Type 2 (Past Simple).
• Common Mistake (c): “extends” – Present tense, mismatched with “would you come”.
• Structural Error (b): “extending” – Missing finite verb.
• Strong Distractor (d): “would extend” – “Would” placed inside the condition clause.

18 (c)

Explanation:

• Key (c): “were” – Type 2 Conditional after “unless”. Unreal present situation matching “wouldn’t make”.
• Common Mistake (a): “am” – Present tense mismatched with “wouldn’t”.
• Structural Error (d): “have been” – Present Perfect is incorrect here.
• Strong Distractor (b): “would be” – “Would” placed inside the condition clause.

19 (b)

Explanation:

• Key (b): “didn’t spend” – Type 2 Conditional. Unreal present condition matching “wouldn’t pile up”.
• Common Mistake (a): “don’t spend” – Present tense mismatched with “wouldn’t”.
• Structural Error (d): “hadn’t spend” – Mixed grammar (needs spent for past perfect, but type 3 is wrong here anyway).
• Strong Distractor (c): “wouldn’t spend” – “Would” placed inside the condition clause.

20 (b)

Explanation:

• Key (b): “book” – “As long as” acts like “if”. Type 0/1 meaning a real condition.
• Common Mistake (d): “will book” – Future tense in the condition clause.
• Structural Error (c): “are booking” – Present continuous doesn’t fit the logical condition of completing the booking.
• Strong Distractor (a): “booked” – Past tense mismatched with present result “don’t have to”.

• The “No WILL/WOULD” Rule: Never put will, won’t, would, or wouldn’t inside the If-clause (or clauses starting with unless, provided that, as long as, supposing). These modals only belong in the main (result) clause.
• Type 0 (General Truths/Habits): If + Present Simple, Present Simple. Use this when talking about facts or rules (e.g., “If you buy online, it is cheaper”).
• Type 1 (Real Future Plans): If + Present Simple, Will/Won’t + Verb. Use this for highly likely situations, like planning weekend trips (e.g., “If it rains, we will stay home”).
• Type 2 (Unreal/Hypothetical Present): If + Past Simple, Would/Wouldn’t + Verb. Use this for imagining things that are unlikely or impossible right now (e.g., “If I didn’t have homework, I would go out”). Remember to use “were” instead of “was” for all subjects.
• Alternative Connectors: Words like unless (if not), as long as (only if), and provided that follow the exact same grammatical rules as if. Watch out for “unless” – since it already means “if not”, adding a negative verb (e.g., unless you don’t) creates a confusing double negative!