初二·句型转换1.Maryhas
1。 Mary has sent me a card already。 (否定)
Mary hasn't sent me a card yet。
2。 They have visited Beijing。 （一般疑问句）
Have they visited Bejing yet?
3。 I have been to Sydney twice。（就划线部分提问）
How many times have you been to Sydney?
4。 She has gone to Xi’an。 （就划线部分提问）
Where has she gone to?
5。 His grandp...全部
1。 Mary has sent me a card already。 (否定)
Mary hasn't sent me a card yet。
2。 They have visited Beijing。
（一般疑问句）
Have they visited Bejing yet?
3。 I have been to Sydney twice。（就划线部分提问）
How many times have you been to Sydney?
4。
She has gone to Xi’an。 （就划线部分提问）
Where has she gone to?
5。 His grandparents have lived here for 20 years（就划线部分提问）。
How many years have his grandparents lived?
6。 Have you ever ridden a horse? (做否定回答)
No,I haven't。
7。 The plane will take off in 5 minutes。 （就划线部分提问）
How soon will the plane take off?(提示：这里的in表示将来，通常用How soon来提问）
8。
The plane will land at the airport。 （就划线部分提问）
Where will the plane land at?
9。 It is difficult to learn English well。
（同意句）
I think _it's__ _difficult__ to learn English well。
10。 We find it important to study English。
（同意句）
It _is__ _important__ __to_ study English。
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