Intermediate level Practice English Grammar Exercises for B1 with Answer Pages: 123 Past Perfect Tense Present Perfect Continuous Past Simple, Past Continuous and Past Perfect Passive Voice (Various Tenses) Reported Speech Conditionals (Types 0, 1 & 2) Phrasal Verbs Word Formation Prepositions of Time & Place(In, On, At) Present Perfect Simple vs. Present Perfect Continuous Past Simple vs. Past Perfect Will vs. Going to vs. Present Continuous (for future) -Ed vs. -Ing Adjectives Gerund (V-ing) vs. Infinitive (To V) Make vs. Do Confusing Verbs (Say / Tell / Speak / Talk) A/An/The vs. No Article Mustn’t vs. Don’t have to Few vs. A few / Little vs. A little Because vs. Because of During vs. While