作业帮need做情态动词和实义动词怎么区分?
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need做情态动词和实义动词怎么区分?
need做情态动词和实义动词怎么区分?
need做情态动词和实义动词怎么区分?
这个问题我以前答过,copy过来供你参考.
need v.
做实意动词时,有两种用法：
1.need to do sth.需要做某事
e.g I need to study hard for th exam.我需要为了考试努力学习.
He needed to drink some water.他需要喝些水.
2.need doing sth.需要被做某事（=need to be done sth.）
e.g The flowers need watering every day.花需要每天（被）浇水.
=The flowers need to be watered every day.
The classroom needs cleaning.教室需要（被）打扫.
=The classroom needs to be cleaned.
做情态动词时,通常只用疑问式或否定式.
其否定式常用于回答Must 的疑问句
e.g -Must I finish it today?
-No,you needn't
其疑问式用于构成疑问句
e.g -Need I wear a coat?
-Sure,it's cold.
下面附上上次回答的网页：
做情态动词need后面可以直接跟动词原形 need do sth
做实义动词need to do sth ; need sth
need v.
做实意动词时，有两种用法：
1.need to do sth.需要做某事
e.g I need to study hard for th exam.我需要为了考试努力学习。
He needed to drink some water.他需要喝些水。
2.need doing sth. 需要被做某事（=need to be done s...
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need v.
做实意动词时，有两种用法：
1.need to do sth.需要做某事
e.g I need to study hard for th exam.我需要为了考试努力学习。
He needed to drink some water.他需要喝些水。
2.need doing sth. 需要被做某事（=need to be done sth.）
e.g The flowers need watering every day.花需要每天（被）浇水。
=The flowers need to be watered every day.
The classroom needs cleaning.教室需要（被）打扫。
=The classroom needs to be cleaned.
做情态动词时，通常只用疑问式或否定式。
其否定式常用于回答Must 的疑问句
e.g -Must I finish it today?
-No,you needn't
其疑问式用于构成疑问句
e.g -Need I wear a coat?
-Sure,it's cold.
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