need用作動詞

　　情態動詞

　　一、need表示“需要”或“必須”，通常用於否定句，疑問句，條件句。例如：

　　Every students need do their homework.每個學生都需要做他們的家庭作業。

　　二、在否定句中，可以用need的否定形式+動詞原形。

　　三、其一般疑問句的答語，肯定用must，否定用needn't。例如：—Need I do it at once?我需要立刻做它嗎? —No,you needn't.不，你不必。—Need he stay here?他有必要留在這兒嗎?—Yes,he must.是的，他必須留在這兒。

　　名詞

　in need需要;

　be in need of需要;

　　there is no need (for sb) to do sth (某人)沒必要做某事

　　實義動詞

　主+need +to do

主+need +doing =sth+need +to be done

1、They badly needed a change.他們迫切需要一次變革。

2、I need to get some sleep.我需要睡會兒覺。

3、He needs to win this game to stay in the match.他得贏下這場比賽以免被淘汰出局。

4、This shirt needs washing.這件襯衣該洗了。

5、I don't need your comments, thank you.謝謝，我不需要你來評頭論足。

6、We don't need to start yet. 我們不必馬上開始。

7、You don't need to brake at every bend. 沒必要一遇到拐彎就用車閘。

8、Admittedly, it is rather expensive but you don't need to use much. 它的確很貴，但不需要用得很多。