[ Present Perfect and Present Perfect Progressive Tenses ]
They ___ (not/clean) the park yet.
A. haven’t cleaned
B. don’t clean
C. didn’t clean
D. haven’t been cleaning
Select your answer:
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Simple Present - Negative & InterrogativeCountable & Noncountable NounsGrammar - FutureGrammar ModalsConditionals (0 - 1 - 2)Some & AnyPreposition & GerundGrammar and Sentence StructureGrammar - NounsOther quiz:
Gerund vs. Infinitive › ViewIdentify the infinitive phrase in the following sentence:
Jacob was the first student to volunteer for the cleanup crew.
A. To volunteer for the cleanup crew
B. Jacob was
C. The first student
D. To volunteer
Quantifiers › View
____________sugar did you buy at the supermarket?
A. How many
B. How much
C. Is there