What are the auxiliary verbs of the past perfect continuous tense?
A. has been
B. had been
C. was being
D. have been

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Infinitive and GerundModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityBe used to vs used toPassive Modals, Impersonal PassiveCompound Words and SentencesModal Verb in Passive VoiceGrammar: Defining Relative ClausesNoun, Verb, AdjectivePresent ProgressiveTenses of VerbsOther quiz:
Tenses › ViewIdentify the error in the following sentence: “They is watching a movie together at the cinema.”
A. “is” should be replaced with “are”
B. “watching” should be replaced with “watched”
C. “at the cinema” should be replaced with “in the cinema”
D. No error
Coordinating Conjunctions › View
She can either go shopping, _____ she can watch a movie at home.
A. and
B. but
C. so
D. or
Adjectives, Adverbs, and Prepositions › ViewFormulate a sentence using the adverb ‘carefully.’
A. He quickly ran to the store.
B. She placed the vase on the table.
C. She carefully placed the fragile vase on the shelf.
D. They carelessly dropped the ball.
Grammar › View
Jewelry ________ in the robbery has never been recovered.
A. stealing
B. stolen
C. steal
D. stole