Grammar Quiz
[ Tenses ]

They __________ this research for years.

A. have done

B. have been doing

C. were doing

Select your answer:
A  B  C  D  E 


Random Topics:

Passive SentenceSynonymSentence Structure and Verb TensesVerbs & AdverbsDefinite ArticlesCompliment, Congratulation, and HopeGrammar - could / could notPresent Simple for Future ArrangementComparison & Modal Verbs in Passive VoiceGrammar (Adjectives)

Other quiz:

Vocabulary › View

What does ‘ ultimate’ mean? (adjective)

A. To improve or become better

B. To make something worse

C. the most extreme example of its kind

D. A place where a particular group of people gather and relax

Gerunds and Infinitives › View

Should we use a gerund or an infinitive in this sentence: Ethan enjoys ___ (play) soccer.

A. to play

B. plays

C. played

D. playing

IF CLAUSE › View

If you get back late, I………………. angry.

A. be

B. will be

C. will am

D. is

Tenses › View

What is the structure of the present continuous tense?

A. Subject + will be + verb-ing

B. Subject + have/has + verb-ed

C. Subject + was/were + verb-ing

D. Subject + am/is/are + verb-ing

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