[ Grammar ]
If John _______ hard, he could pass the examination.
A. works
B. worked
C. has worked
D. had worked

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Quantifiers: too many, too much & enoughAction, Helping & Linking VerbsWish - beginnerSynonymsUnderstanding Product Packaging and TensesPresent Simple Tense PassiveThe Future Simple TensePast Tense & Past Continuous TenseSimple Present Tense/be/Present ProgessiveGrammar ModalsOther quiz:
Verb Tenses and Subject Verb Agreement › ViewIdentify the correct verb form: By the end of the week, I ___ my report.
A. submit
B. submits
C. submitted
D. will have submitted
Word Form & Verb Tense › View
I’m reading some _____ about London in 2050
A. prediction
B. predict
C. predicted
D. predictions
Indefinite Pronouns › ViewIf the phone call is for me. I’m not here. I’m not talking to ______ this weekend.
A. anybody
B. nobody
C. somewhere
D. something
Vocabulary › View
Windmills ____________ electricity from wind.
A. interfere
B. civilize
C. generate
D. provide
