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Chia động từ
If everyone in the world (jump).....jumps..... up and down at the same time,there(be).....would be.........no measuarable effect ( apart from 6.5 billion footprints).
Viết lại câu sử dụng hai thì quá khứ đơn và quá khứ tiếp diễn
1, She was sleeping and the fire started
She was sleeping when the fire started.
2, It began to raim and what were you doing
What were you doing when it began to raim?
3, the farmer started whishing and he was ploughting the field
The farmer started whishing when he was ploughting the field.
4, You came and what were they doing?
What were they doing when you came?
5, She was reading a book and the man came in
She was reading a book when the man came in.
6, They were working in the field and the volcano erupted
They were working in the field when the volcano erupted.
Viết lại câu sử dụng hai thì quá khứ đơn và quá khứ tiếp diễn
1, She was sleeping and the fire started
=> The fire started while she was sleeping.
2, It began to raim and what were you doing
=> What were you doing when it began to rain?
3, the farmer started whishing and he was ploughting the field
=> When the farmer started whishing while he was ploughting the field.
4, You came and what were they doing?
=> What were they doing when you came?
5, She was reading a book and the man came in
=> The man came in while she was reading a book.
6, They were working in the field and the volcano erupted
=> The volcano erupted while they were working in the field.
Từ quá khứ của laugh: laughed
Từ quá khứ của be: was, were
Từ quá khứ của jump: jumped
Từ quá khứ của ride: rode
laugh: laughed
be: was,were/ been
jump: jumped
ride: rode/ ridden