fallill和beill的区别

fall ill和be ill的区别：fall ill是瞬间性动词，不可以延续，所以不能和since短语连用。be ill是延续性状态，所以可以跟since短语。两个词语都表示生病的意思，fall ill表示生病的过程，be ill表示生病的状态，不是任何时候都可以互换的。

fall ill造句：

If you don't eat on time and go to bed on time，you will fall ill。如果再不按时吃饭，按时睡觉，你就会病倒的。

She hasn't had a rest for days，and I'm afraid she'll fall ill。她已经好几天没休息了，我担心她会病倒。

The grandmother next door suddenly fell ill and soon passed away。隔壁奶奶突然病倒了，不久就去世了。

be ill造句：
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She has been ill since she came home from the rain at the seaside yesterday。自从昨天在海边淋雨之后，回家她就生病了。

She doesn't want to eat anything because she has been ill for a while。因为她这段时间生病了，所以什么东西都不想吃。

Since his illness he has been unable to do anything but lie in bed。自从他生病之后很多事情都做不了了，只能在床上躺着。