[ 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

Random Topics:
Subject-Verb AgreementPositive and Negative ConnotationsInfinitive and GerundsActive & Passive VoiceConditionalModal Verbs - ObligationVerb TensesIN, ON & ATConjunctive Adverbs and PunctuationAdjectives & PrepositionsOther quiz:
Grammar › ViewIt’s so cold outside. We suggest _____ the window.
A. should close
B. close
C. closing
Tenses › View
I went to the library, then I went to the stationary and I …………………. (buy) some pencils
A. bought
B. have bought
C. buyed
Gerund and Infinitives › ViewShe always aims …………….. the scholarship to study at a university in the UK
A. to be awarded
B. to award
C. awarding
D. being awarded
Some vs. Any › View
I don’t have ___ green shirts.
a. any
b. some
