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had stayed have stayed stayed will stay
where Mr Green stayed where did Mr Green stay what Mr Green did what did Mr Green do
stay have stayed had stayed stayed
which; that that; that /; where where; that
sometime some time sometimes some times
had stayed stay stayed have stayed
the; the the; a 不填; the 不填; a
had stayed have stayed stayed will stay
prepared preparing to prepare and preparing
had stayed have stayed stayed will stay
had been expecting has expected expected has been expecting
stayed lived survived continued
No, he hasn't Yes, he has. No, he has Yes, he hasn't
不填; the; a the; 不填; the the; 不填; a a; 不填; the
went enjoyed stayed cooked
had been expecting has expected expected has been expecting
which; that that; that /; where where; that
had been expecting has expected expected has been expecting
I had walked; last week. he had walked; that week. I walked; last week he has walked; last week.
No, he hasn’t Yes, he has No, he has Yes, he hasn’t
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