[ Present Tenses ]
When Mrs Krashen ____ at the airport yesterday morning, she realised that she ____ her passport at home.
A. arrived / have forgotten
B. have arrived / forgot
C. have arrived / have forgotten
D. arrived / had forgotten

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PRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTUnderstanding Product Packaging and TensesModals of ProhibitionPresent Perfect Simple & Present Perfect ContinuousKinds of SentencesPronunciation and VocabularyNouns, Pronouns, Antecedents, and Singular and PluralImperative SentencesPassive and Active SentencesConditionals III - Mixed 1st, 2nd & 3rd ConditionalsOther quiz:
Modals › View“Laura has a very bad cold; she can’t go to work today or she might give everyone her germs.”
Which of the following words are used to show modality? (the likelihood something will or won’t happen.)
A. can’t and might
B. go and give
C. can’t and today
D. might and everyone
Pronoun vs. Pronouns › View
The new floor is nice. Everyone loves its shine.
A. Its
B. New
C. Floor
____ your friend done his homework?
A. Having
B. Has
C. Have
D. Haven’t
Gerund vs. Infinitive › View
Moving is always troublesome.
A. Verb
B. Participle
C. Gerund
