Grammar Quiz

[ To Infinitive/Bare Infinitive/Gerunds ]

I’m sure that he knows ————– this new machine.

A. to use

B. using

C. how using

D. how to use

Select your answer:
A  B  C  D  E 


Random Topics:

Present Perfect Simple & ContinuousSimple Past ContinuosCountable & Noncountable NounsPresent Perfect and Past TensesNarrative, Past TensesConditional and Mix Conditional SentenceAdverb and Noun ClausesGrammar: Defining Relative ClausesGrammar, Conditional Sentences, VocabularyComparative - Superlative

Other quiz:

Modal Verbs › View

I had a test this morning. I didn’t do it well. I ______________ last night.

A. should study

B. must have studied

C. should have studied

D. must study


Grammar › View

We had ….. really good time yesterday.

A. a

B. an

Sentence Structure and Conjunctions › View

What is the subordinating conjunction?

We had fun while we were at the park.

A. while

B. fun

C. at

D. were


Grammar › View

Alexander _____ taking his driver’s test next week.

A. is

B. are

C. will

D. was