[ Tenses ]
We use verbs in past participle with:
A. past simple
B. present perfect
C. future simple
D. past continuous

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Vocabulary and Verb TensesMix-TensesUsed to & would & Past SimpleVocabullary TestAdverbs of Time and PlaceFirst ConditionalsHope, Thank, Modal VerbsAdjectives and DegreesPast Simple or Past ContinuousVocabulary and PhrasesOther quiz:
The Structural Types of Sentences › ViewI alone cannot change the world, but I can cast a stone across the water to create many ripples.
A. simple
B. complex
C. compound
D. compound-complex
Present Simple and Continuous Tense › View
They __________ (travel/travels) around the world during their vacation.
A. travel
B. travels
C. traveling
D. is traveling
Grammar › ViewThe museum is open ________ 4pm, so you should visit the pagoda in the morning.
A. until
B. from
C. in
D. on
Grammar and Sentence Correction › View
After the pizza is ready, (than, then) it is time to get the plates.
A. than
B. then