[ Tenses ]
We ___ to contact him since this morning.
A. have tried
B. have been trying
C. tried
D. try

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Ordering AdjectivesBare Infinitive and To InfinitiveTenses: Present simple, Past Simple, Future SimpleFrequencyGerund/ To Verb/ VerbPast Perfect SimpleWord FormationGerund, Infinitive, Bare VerbGrammar-Verbs & Nouns Singular, Plural, GenderSimple Past or Past ContinuousOther quiz:
Grammar › ViewThe laws demand that all people______to raise questions about the policy.
A. allowed
B. allow
C. be allowed
D. to allow
Grammar › View
Ana likes ________(play) with her friends
A. to play
B. playing
C. ambos
D. play
