[ Present Perfect Tense ]
Have you ever ____ in the Pacific Ocean?
A. swim
B. swam
C. swum
D. swimming

Random Topics:
Past and Future TensesConjunctions and TransitionsPast Continuous TenseSimple and Compound SentencesSo Such Enough TooIntensifiers: Really vs VeryPronoun Antecedent AgreementActive & Passive VoiceModal and Auxiliary VerbsHave vs. HasOther quiz:
Verb Tenses › ViewWe ___ the National Anthem yesterday.
A. sing
B. sings
C. sang
D. sung
Simple Present and Present Continuous Tenses › View
Most of the time, I ______ happy
A. is
B. am
C. are
D. been
Correlative Conjunctions › View______she will attend the meeting ________ her assistant will.
A. Not only / but also
B. Either / or
C. Neither / nor
D. Both / and
Grammar › View
Please ask _______ boy over there. He has ______ watch.
A. -, a
B. a, –
C. the, a
D. a, the
