主系表十句英语句型
问题描述：
主系表十句英语句型
答
He is a student
He is tall.
He is over there.
He is in the classroom.
He is to go there tomorrow.
This is why he is late.
The boy seems to be watching TV.
He appears fifity.
They remain to be in the reading room.
The book proves to be usefull.
They were all very excited
The reason why he was late was that he had failed to catch the bus.
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