DIANAKHANTIMIR1
#11) go went gone 2) lose lost lost 3) read read read 4) fly flew flown5) understand understood understood 6) give gave given 7) begin began begun 8) forget forgot forgotten#21) past simple 2) past simple 3) present perfect 4) present perfect 5) past simple#31) play 2) know 3) played 4) knew 5) known 6) left 7) leave 8) left#41) I have already finished reading this book.2) We haven't had dinner yet.3) Have they built a house yet?4) He has never left London.5) I met my friend last Monday.
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Go-went-goneGive-gave-given
Begin-began-begun
Forget-forgot-forgotten