They _____ to aerobics class twice a week.
A. go
B. are goning
C. were going
D. have gone
Select your answer:

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InfinitivesCompound and Complex SentencesFuture or PastPresent Perfect and Past SimpleSimiles, Metaphors, Personification and HyperboleSimple Past and Past Progressive TensesAdverbs of frequencySocial Media VocabularyFuture Continuous, Future Perfect and Future Perfect ContinuousSimple and Compound SentencesOther quiz:
Perfect Tenses › ViewHow is the present perfect continuous tense formed?
A. The present perfect continuous tense is formed by using the auxiliary verb ‘do’, the main verb ‘be’ in its present participle form (-ing), and the main verb in its present participle form (-ing).
B. The present perfect continuous tense is formed by using the auxiliary verb ‘has’ (in present tense), the main verb ‘be’ in its present participle form (-ing), and the main verb in its present participle form (-ing).
C. The present perfect continuous tense is formed by using the auxiliary verb ‘have’ (in present tense), the main verb ‘be’ in its present participle form (-ing), and the main verb in its present participle form (-ing). For example, ‘I have been studying.’
D. The present perfect continuous tense is formed by using the auxiliary verb ‘will’ (in present tense), the main verb ‘be’ in its present participle form (-ing), and the main verb in its present participle form (-ing).
Tenses and Opinions › View
Do you believe that technology has a positive impact on education?
A. Yes, it enhances learning opportunities
B. No, it distracts students from studying
C. Technology has no effect on education
D. It depends on how technology is used
