[ Present Continuous Tense ]
Please be quiet. I …… trying to concentrate.
A. is
B. am
C. are
Select your answer:
Random Topics:
Compound and Complex, ConditionalsAdjective and AdverbConditionals and Modal VerbsTag QuestionVocabulary, Grammar, SpellingReported SpeechQuantifiers, Countable and Uncountable NounsConditional TypesModal Verbs and ConjuctionsSentence Structure and Pronoun AntecedentOther quiz:
Grammar › ViewSomeone must send this letter immediately
-> This letter _________ immediately.
A. must been sent
B. must have be sent
C. must sent
D. must be sent
Modal Verbs › View
. If you are having trouble sleeping, you had better not drink so much coffee before bed. What is the function of the modal verb?
A. advice
B. obligation
C. request