8B Unit 5 International charitie知識(shí)點(diǎn)解析
⑴the problem is so difficult that we can’t work it out.＝it is such a difficult problem that we can’t work it out. 注意：so…that…轉(zhuǎn)換為such…that…，必須保持意思不變。 �、苖any patients are so poor that they can’t afford to go to hospital. �、莔odern medicine is developing so quickly that we can treat and cure most eye problems. ⑷dr ma has done such an important job that people must be really grateful to him.
⒊so…that sb can’t/couldn’t…，such…that sb can’t/couldn’t…引導(dǎo)的結(jié)果狀語從句的否定式，可與too…for sb to do(注意動(dòng)詞原形之后不能再接賓語)或not＋形容詞或副詞原級(jí)＋enough to do sth互換�！ �
⑴the book cost so much that she couldn’t buy it.＝the book cost too much for her to buy. �、苃e ran so quickly that nobody could catch up with him.＝he ran too quickly for anybody to catch up with. 注意簡(jiǎn)單句too…for sb to do中的動(dòng)詞不定式之后不能再接賓語。 �、莟he child was so young that he couldn’t go to school.＝the child was too young to go to school. �。絫he child was not old enough to go to school.