[ Present Continuous Tense ]
What is present perfect tense?
A. It is an expression.
B. It is a grammar structure.
C. It is a word.

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Grammar and StructureAdverbial PhrasesPast and Past ContinuousSimple PastGrammar - ConnectorsSentence Types and ConjunctionsPoetry VocabularyConjunctions and TransitionsCompound and Complex SentencesGrammar, Literature, and VocabularyOther quiz:
Grammar › ViewUsed for completed things in the past
A. Present Perfect
B. Past Simple
Auxiliary Verbs › View
___ the students in this class good card players?
A. Am
B. Is
C. Are
D. Does
E. Do
Verb › ViewWe ____________________every kind of camera. (past tense of study)
A. Studied
B. Studies
C. Will study
D. Had studied
E. Will have studied
Grammar › View
The best things in my life ____ been my family and friends.
A. has
B. have
C. had
