need和needto用法的区别
need既可以是情态动词,也可以做实义动词,做情态动词后跟动词原形做实义动词就用needto当然needdoing还有这个结构,是主动形式被动意义Theclassroomneededcleaning.等同于Theclassroomneededtoberepaired.这时的need就是...
need既可以是情态动词,也可以做实义动词,做情态动词后跟动词原形做实义动词就用needto当然needdoing还有这个结构,是主动形式被动意义Theclassroomneededcleaning.等同于Theclassroomneededtoberepaired.这时的need就是...