[ 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 › View. He met several colleagues upon his first day at work, –was the team leader. He is happy that his team leader seems to be a cheerful guy.
A. both of whom
B. either of whom
C. none of whom
D. neither of whom
E. one of whom
Present Tenses and Vocabulary › View
The teacher made sure to explain the new topic in an ……………… way.
A. suitable
B. understandable
C. hospitable
D. edible
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
