# 1เลือกประเภทWhich sentence correctly uses the past perfect tense?They have had dinner before they did homework.They had had dinner before they did homework.They had dinner before they did homework.They have dinner before they did homework.
# 2เลือกประเภทWhat is the correct past perfect form of 'study' in the sentence: 'He _____ English before he moved to England.'?studyhad studiedwas studyingstudied
# 3เลือกประเภทIn which sentence is the past perfect tense used correctly?I had eat a pizza before I went to bed.I had ate a pizza before I went to bed.I had eaten a pizza before I went to bed.I eat a pizza before I went to bed.
# 4เลือกประเภทWhat is the correct answer to the question: 'Had he studied English before he moved to England?'Yes, he has.No, he hasn't.Yes, he had.No, he hadn't.