[ Modal Verbs ]
In which type of sentence is “could” most commonly used?
A. Making a request
B. Asking for permission
C. Making an assertion
D. Offering assistance

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Active & Passive VoiceModals of ProbabilityTenses and Sentence CompletionSimple present/ past/ future tensePresent/Past/Future Continuous TenseConditionals (0 - 1 - 2)Conjunctive Adverbs and PunctuationSimple Compound and Complex SentencesSimple, Compound, Complex SentencesNoun ClauseOther quiz:
Grammar › ViewI think that shopping mall ______ mall in our city.
A. best
B. the best
C. is the best
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Due to discourse constraints __, speakers have to know that providing the right amount of information is important.
A. that will be taken place
B. taking place
C. will take place
D. take place
Grammar › ViewShe always _ (eat) breakfast at 7 AM.
A. eats
B. eat
C. eating
D. eaten
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Choose the correct answer for the gap:
How long ___________ this book?
A. have you used
B. have you been using