Ellen has already bought some flowers． （改为否定句）
Ellen bought any flowers ．
句型转换
（1）They were watching TV when I came in．(对画线部分提问)
________were they________when you came in？
（2）Don’t forget to close the window when you leave．(改为同义句)
________ ________ ________the window when you leave．
（3）Terrorists took down the World Trade Center．(改为被动语态)
The World Trade Center________ ________down by terrorists．
（4）I was too scared to think clearly after that．(改为同义句)
I was________scared________I couldn’t think clearly after that．
（5）What does“perhaps”mean？(改为同义句)
What’s________ ________ ________“perhaps”？
（6）I got a letter from my sister just now．(改为同义句)
I________ ________my sister just now．
句型转换
They had a good time in the park yesterday．(改为同义句)
They________ ________in the park yesterday．
句型转换
They would like some tea，too．(改为否定句)
They________like________tea，________．
句型转换
（1）Could you please take out the rubbish？(改为否定句)
Could you please________ ________out the rubbish？
（2）—Could I have some bread？(作肯定回答)
—________，________．
（3）She will come back in two weeks．(对画线部分提问)
________ ________will she come back？
（4）Our dog welcomed me when I came home from school．(对画线部分提问)
________ ________your dog welcome you？
（5）Both she and I are going hiking this afternoon．(改为否定句)
________she________I________going hiking this afternoon．
同义句转换
（1）You really have to take care of the pet when we are away．
You really have to________ ________the pet when we are away．
（2）She agreed to help me learn cooking．
She agreed to help me________cooking．
（3）The school will provide free textbooks for us．
The school will provide________ ________free textbooks．
（4）To swim in the river is very dangerous．
________very dangerous________ ________in the river．
（5）I arrived at the theatre early so that I could get a good seat．
I arrived at the theatre early________ ________ ________get a good seat．