[ Verb Tenses ]
. Which helping verbs are used in present perfect tense?
A. Will and shall
B. Has and have
C. Is and are
D. Was and were
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Modals for DeductionModal Verbs and Contrastive ConjunctionsPast or Present Verb TenseDemonstrative Pronouns and Verb TensesGrammar for TOEFLPassive and Active SentencesConditionals / Unreal PastGrammar : Structural Common ErrorsGrammar: MorphologyInfinitive FormsOther quiz:
Grammar › View
What’s the time?
A. It’s twenty to nine
B. It’s half past eight
C. It’s eight past twenty
D. It’s twenty past eight
Grammar › View
The cat itself caught the mouse.
A. Reflexive
B. Intensive