高中英语语法12课（2）“It”用法及其句型和固定搭配精讲(2)

It"s (well)worth doing…
It"s (well)worth one"s while doing/to do…
It"s (well)worth while doing/ to do
例 It"s no use crying over spilt milk.
2. It替代作主语的从句常见句型
(1) It is noun 从句
例 It is no secret that the president wants to have a second term at office.
(2) It is adj. clause
It"s surprising that… (should)………竟然……
It"s a pity/shame that…(should)………竟然……
例 It"s important that you should apologize to her for your rudeness.(=It"s of much importance that you should apologize to her for your rudeness.)
(3) It verb sb. clause= It is v-ing clause
It surprise/delight/interest/disappoint/worry/disturb/annoy/amaze
/bother/concern/frighten/please/anger sb. that…
例 It worried me that she drove so fast.(= It was worrying that she drove so fast.)
(4) It verb (to sb.) that…= sb/sth verb to do
(verb = appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out)
例 It (so) happened/chanced that they were out.(= They happened/chanced to be out.)