[ Present Tenses ]
What is the structure of the present perfect continuous tense?
A. have/has + been + present participle
B. have/has + being + present participle
C. have/has + been + past participle
D. have/has + present participle + been

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Subject-Verb AgreementPositive and Negative ConnotationsInfinitive and GerundsActive & Passive VoiceConditionalModal Verbs - ObligationVerb TensesIN, ON & ATConjunctive Adverbs and PunctuationAdjectives & PrepositionsOther quiz:
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A. Whereas
B. Therefore
C. And
D. But
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Grammar › View
Would Tom like some help with his presentation or can he manage by _____?
A. himself
B. alone
C. him
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A. to be awarded
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Some vs. Any › View
I don’t have ___ green shirts.
a. any
b. some
