【正文】
ory subject. 1) It is clear/certain/likely/true/surprising that... 2) It is a pity/shame/good idea/ no wonder that... 3) It is said/ reported/ believed/ known/ thought/ suggested that... 4) It seems/ happens that... eg: It happened that I went out last night. It is said that China will win in the World Cup. It seems strange that he should have said that. It’s clear that we should do something to stop it. 2. We can use whether to introduce a subject clause or predicative clause when the clause is a yes/ no question. If not used at the beginning, we can also use if to introduce the subject clause. We use whether or not, but not if or not。 we use both whether... or not and if...or not. eg. Whether it is going to clear up keeps me wondering. Whether the meet