If I ____ you were coming, I would have waited.
A. knew
B. have known
C. had known
D. know

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Relative PronounsWill and Will notVocab and GrammarModals, Phrasal Verbs, Gerunds and InfinitivesPassive Voice with ModalsGerunds, Infinitives and ParticiplesGrammar - could / could notAdjective, Adverb, and Noun FormsPast and Past ContinuousModal Verbs in ConditionalsOther quiz:
Grammar › ViewThe flowers _______ by my older brother every day.
A. have been watering
B. have watered
C. have been watered
Parallel Structure or Combining Sentences › View
What is the BEST way to combine these sentences?
The scientist had heard of the ghost horse.
The scientist became suspicious.
A. The scientist had heard of the ghost horse ,and became suspicious.
B. Although the scientist had heard of the ghost horse, he became suspicious.
C. The scientist had heard of the ghost horse and became suspicious.
D. The scientist had heard of the ghost horse.
The scientist became suspicious.
Choose the correct negative form: She is the tallest in the class. (negative)
A. She is the shortest in the class.
B. She is not the tallest in the class.
C. She is not the tallest student in the class.
D. She is not the tallest of the class.
Articles › View
He plays ___ piano every day.
A. a
B. an
C. the
D. X
