[ Passive Voice & Verb Tenses ]
What is the correct passive form of this past perfect sentence: He had written the letter.
A. The letter has been written.
B. The letter had been written.

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Adjective or AdverbPresent Simple and Past ContinuousPresent Perfect or Past Simple TenseComparison Degree & GerundsIdentifying Sentence TypesPre-intermediateGerunds as Objects of PrepositionsGrammar- Later/LatterAdverb of ConcessionGrammar - Present Perfect TenseOther quiz:
Grammar › ViewIf Frank ______________ attention to the direction given, he would not have lost his way.
A. pays
B. paid
C. had paid
D. would pay
Tenses › View
Alex wondered if … for the weekend at his place.
A. his sister will stay
B. his sister was going to stay
C. his sister is going to stay