Topics: Modals and Past Tenses
Which sentence correctly uses the past perfect continuous tense to describe an action continuing over a period up to a specific time in the past?
A. She had been working as a clerk for 10 years before she retired.
B. She has been working as a clerk for 10 years before she retired.
C. She was working as a clerk for 10 years before she retired.
D. She had worked as a clerk for 10 years before she retired.
Select your answer:
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Comparison of Adjective and AdverbInfinitive FormsGrammar: Reported QuestionsPrepositions & Prepositional PhrasesAdjectives with -ED and -INGModal Verb in Passive VoiceExpressing Obligation and Modals-ing / InfinitiveDescribing WordsAdverbs and Adverbial PhrasesOther quiz:
Verb › ViewThe school…a good place.
A. IS
B. AM
C. ARE
D. IT
Modals of Obligation and Permission › View
(Notice on a train) Quiet carriage. Passengers _____ play music or talk on the phone in this part of the train.
A. can’t
B. must not
C. don’t have to