[ Verb Tenses ]
Construct a negative sentence: I (not/to read) that book before.
A. I do not read that book before.
B. I have not read that book before.
C. I did not read that book before.
D. I did not to read that book before.

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Unreal Uses of Past TensesComparatives ( adj/ adv)Modal Auxiliaries and Similar ExpressionsAuxiliary Verbs & Question TagsDemonstrative Pronouns and Verb TensesModals, Phrasal Verbs, Gerunds and InfinitivesInfinitive GerundContinuous TenseGrammar - either...or, neither...norNoun ClausesOther quiz:
Grammar › ViewThe conference is tomorrow and I ….. my presentation yet.
A. have scheduled
B. haven’t developed
C. haven’t prepared
D. haven’t collected
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I played the marimba, and George played the guitar.
A. fragment
B. sentence
C. compound
D. run-on