[ Grammar ]
Mastering verb forms and tenses _______ difficult for students.
A. is
B. are

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Past Tense vs Future TenseSentences and Non SentencesPronoun-Verb AgreementCompound and Complex SentencesCommas and Subordinating ConjunctionsComparatives ( adj/ adv)Figurative LanguageAntonymsAdverb PhrasesPast Tense & Present Perfect TenseOther quiz:
Grammar › ViewIdentify the complete subject in the sentence below
My puppy ate all of her food last night.
A. My
B. My puppy
C. ate
D. ate all of her food last night
Verb Tenses › View
We _____________ TV when you called us.
A. are watching
B. was watching
C. were watching
D. is watching
Grammar › ViewJoanne isn’t late for school, ___________ she?
A. is
B. are
C. isn’t
D. aren’t
Grammar and Vocabulary › View
Your cell phone is fantastic. Is it ________?
A. late
B. today’s
C. new