[ Modals ]
Birds _____ fly but lions ________.
A. could / couldn’t
B. can / can’t
C. will be able to / won’t be able to.

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Gerunds as Objects of PrepositionsNoun QuantifiersTenses and ArticlesDefinite vs Zero Article Abstract NounsSuch...that, so ......thatPresent Simple, Present Continuous or Present PerfectParticiple - ing/ edHabitual and Continuous TensesContrastive ConjunctionsFuture Tense (will/be going to/p.continuous)Other quiz:
Grammar › ViewIdentify the proper noun.
Is she still planning to go to Melbourne this summer?
___
A. planning
B. go
C. Melbourne
D. summer
Grammar › View
Where did you get _____ grapes?
A. so
B. such