[ Grammar - could / could not ]
Could you __________ when you were ten years old?
A. swam
B. swim
C. swum
D. swimming

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Articles and QuantifiersSimple vs Present Continuous TensesVerb & GrammarVOCAB & GRAMMARThe First Conditional SentenceDemonstrative PronounPresent Simple & Present Progressive TenseFuture Perfect ContinuousAdjectives with -ED and -INGFirst and Second ConditionalOther quiz:
Conjunction › ViewYou had better hurry ____ you’ll be late for work.
A. for
B. yet
C. and
D. or
Grammar › View
Gerund or infinitive. Choose the correct answer:
`I´m sorry! I´m late!! Do you mind ……for me?
A. waiting
B. to wait
Grammar › ViewWhat part of speech is the word ‘on’ in the sentence ‘The book is on the shelf’?
A. Preposition
B. Verb
C. Adjective
D. Noun
Grammar › View
She says she may be available Friday
A. probability
B. obligation
C. advice
D. polite request