Grammar Quiz
[ Grammar ]

We observed the researchers _______ complex experiments in the lab.

A. to conduct

B. to design

C. to initiate

Select your answer:
A  B  C  D  E 


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Gerund - to Infinitive Modal and Auxiliary VerbsFuture Tenses and ModalsSentencesPast Perfect Simple & ContinuousHave toPresent Tenses and ConnectorsModals - Reported Speech - Conditionals-ed and -ing AdjectivesVerb Tenses and Usage

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A. throw
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“Pass me the salad, Tom!” asked Anna.

A. Anna asked Tom to pass her the salad.

B. Anna asked Tom to passed her the salad.

C. Tom asked Anna to pass him the salad

D. Tom asked Anna that passed the salad

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