[ Grammar on Conditionals ]
He _____ this discovery if he hadn’t done precise calculations.
A. wouldn’t have made
B. won’t have made
C. wouldn’t make
D. wouldn’t made
Select your answer:

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Past Tense & Present Perfect TenseArticle the or zero article (-)Pronoun Antecedent AgreementGrammar, Literature, and VocabularyTransitive and Intransitive VerbModal Verbs - ObligationAdverb and Sentence StructureGrammar: Parts and PunctuationAdverbial Clause of MannerSimple Present TenseOther quiz:
Idioms › ViewLet the ………. out of the bag.
A. dog
B. cat
C. rat
Grammar › View
Surely Sue _____ you if she was unhappy with your work.
A. will tell
B. would have told
C. must have told you
D. had told
