[ Tenses ]
She has been studying English for three hours.
A. Past Continues
B. Present Perfect
C. Present Perfect Continues
D. Future Perfect Continues

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Kinds of SentencesFuture Tense VerbSimple Past Tense (was/were)Transition WordsPhrases & ClausesProgressive TenseDistinguishing Future TensesAdjectives-Comparison, SuperlativePronouns, Verb, ConjunctionModals and PhrasesOther quiz:
Grammar › ViewJames ___ books by Stephanie Meyer.
A. studies
B. reads
C. read
D. work
Grammar › View
The tetracyclines, _____ antibiotics, are used to treat infections.
A. are a family of
B. being a family
C. a family of
D. their family is
