1．I think意為我認為，是對某人或某事的看法或態(tài)度的一種句型。其否定式常用I dont think，如：I think hes Mr Zhinag. (L17)I dont think you are right.

2．give sth. to sb./ give sb. sth. 意為把給，動詞give之后可接雙賓語，可用這兩種句型；若指物的賓語是人稱代詞時，則只能用give it/ them to sb. 如：

His parents give him a nice purse./His parents give a nice purse to him. Give it to Mr Hu.(L57)

3．take sb./ sth. to意為把(送)帶到，后常接地點，也可接人。如：

Please take the new books to the classroom.

4．One, the other/One isand one is意為一個是；另一個是，必須是兩者中。如：One is red and one is grey.(L50)或 One is red,, the other is grey.

5．Let sb. do sth. 意為讓某人做某事，人后應(yīng)用不帶to的動詞不定式，其否定式為Dont let sb，do sth.，或Let sb. not do sth. 另外，Lets 與Let us的含義不完全相同， 前者包括聽者在內(nèi)，后者不包括聽者在內(nèi)，如：Lets go for a walk./Let us try once more, please.

6．help sb. (to) do sth./help sb. with sth.意為幫助某人做某事，前者用不定式作賓補，后者用介詞短語作賓補，二者可以互換。如：

Let me help you find it.(L42)/Let me help you with it.

7．What about？/How about？意為怎么樣？是用來詢問或征求對方的觀點、意見、看法等。about為介詞，其后須接名詞、代詞或V-ing等形式。如：

What/How playing chess?

8．Its time to do/ Its time for sth. 意為該做的時間了，其中to后須接原形動詞，for后可接名詞或V-ing形式。如：

Its time to have supper. =Its time for supper.

9．like to do sth./like doing sth.意為喜歡做某事，如：

Li Lei and his friends like to play in the tree house. (L 43)

前一種句型側(cè)重具體的一次性的動作；后一種句型側(cè)重習(xí)慣性的動作，試比較：

Tom likes swimming, but doesnt like to swim this afternoon.

10．a(chǎn)sk sb.(not) to do sth. 意為讓某人(不要)做某事，其中ask sb.后應(yīng)接動詞不定式，如：

Ask your friends to guess what is in it. (L44)

11．show sb. sth. / show sth. to do. 意為把某物給某人看，該句型的用法同前面第2點。如：

Show your friend your family photo.（L36）/Show your family photo to your friend.

12．introduce sb. to sb. 意為把某人介紹給另一人；introduce to sb.則是向某人作介紹。如：

Introduce your family to her. （L37）

1．I think意為我認為，是對某人或某事的看法或態(tài)度的一種句型。其否定式常用I dont think，如：I think hes Mr Zhinag. (L17)I dont think you are right.

2．give sth. to sb./ give sb. sth. 意為把給，動詞give之后可接雙賓語，可用這兩種句型；若指物的賓語是人稱代詞時，則只能用give it/ them to sb. 如：

His parents give him a nice purse./His parents give a nice purse to him. Give it to Mr Hu.(L57)

3．take sb./ sth. to意為把(送)帶到，后常接地點，也可接人。如：

Please take the new books to the classroom.

4．One, the other/One isand one is意為一個是；另一個是，必須是兩者中。如：One is red and one is grey.(L50)或 One is red,, the other is grey.

5．Let sb. do sth. 意為讓某人做某事，人后應(yīng)用不帶to的動詞不定式，其否定式為Dont let sb，do sth.，或Let sb. not do sth. 另外，Lets 與Let us的含義不完全相同， 前者包括聽者在內(nèi)，后者不包括聽者在內(nèi)，如：Lets go for a walk./Let us try once more, please.

6．help sb. (to) do sth./help sb. with sth.意為幫助某人做某事，前者用不定式作賓補，后者用介詞短語作賓補，二者可以互換。如：

Let me help you find it.(L42)/Let me help you with it.

7．What about？/How about？意為怎么樣？是用來詢問或征求對方的觀點、意見、看法等。about為介詞，其后須接名詞、代詞或V-ing等形式。如：

What/How playing chess?

8．Its time to do/ Its time for sth. 意為該做的時間了，其中to后須接原形動詞，for后可接名詞或V-ing形式。如：

Its time to have supper. =Its time for supper.

9．like to do sth./like doing sth.意為喜歡做某事，如：

Li Lei and his friends like to play in the tree house. (L 43)

前一種句型側(cè)重具體的一次性的動作；后一種句型側(cè)重習(xí)慣性的動作，試比較：

Tom likes swimming, but doesnt like to swim this afternoon.

10．a(chǎn)sk sb.(not) to do sth. 意為讓某人(不要)做某事，其中ask sb.后應(yīng)接動詞不定式，如：

Ask your friends to guess what is in it. (L44)

11．show sb. sth. / show sth. to do. 意為把某物給某人看，該句型的用法同前面第2點。如：

Show your friend your family photo.（L36）/Show your family photo to your friend.

12．introduce sb. to sb. 意為把某人介紹給另一人；introduce to sb.則是向某人作介紹。如：

Introduce your family to her. （L37）