we need____the way we speak when talking to different peoplechange,怎么辨别是need do sth 还是need to do sth

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we need____the way we speak when talking to different peoplechange,怎么辨别是need do sth 还是need to do sth
we need____the way we speak when talking to different people
change,怎么辨别是need do sth 还是need to do sth

we need____the way we speak when talking to different peoplechange,怎么辨别是need do sth 还是need to do sth
need 做情态动词,只用于否定和疑问句,或条件句,后面加do
做实义动词,后面跟to do
这个是肯定句,实义动词,to do

need to do sth

need有2种词性
1,情态动词 就是你说的need do
2, 实义动词 就是need to do
这两个都可以用,都是正确的,所以在肯定句中看不出区别
一般做题是从否定句中看出来的
1, needn't do
2, doesn't/don't need to do
这两种都是正确的
以下是一些干扰选项,都是错误的 ...

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need有2种词性
1,情态动词 就是你说的need do
2, 实义动词 就是need to do
这两个都可以用,都是正确的,所以在肯定句中看不出区别
一般做题是从否定句中看出来的
1, needn't do
2, doesn't/don't need to do
这两种都是正确的
以下是一些干扰选项,都是错误的
needn't to do
doesn't/don't need do

收起

二楼正解。
即:
肯定句中的need都是实义动词,此时它的用法是need to do。
当做情态动词need do时,仅限疑问与否定句中,出现的形式只会是
You needn’t ...不必做什么
Need I .......? 我必须做什么吗?