主语 + 连系动词 + 表语从句be, look, remain, seem, appearthat, wh-疑问词, whether, because, as, as if/ though The truth is that I didn’ t go there.1.表语从句里的引导词that 是不可以省略的The question is whether he can get there.2. 表语从句不能用if引导 All I want to know is that he need money.All I want to know is what he need.He is not what he used to be.The question is when we start.That’ s why we come here. 常用的还有The reason is that… 和It is because 等结构。The reason for his absence is that hesuddenly fell ill. It is because he doesn’ t know her. 他建议我们应该去北京.He advised / suggested that we should go to Beijing.他们要求我们去北京.They require that we should go to Beijing.当动词suggest, advise, require, demand等后面接宾语从句的时候宾语从句的谓语动词用(should) + do. 他的建议是我们去北京.His suggestion is that we should go to Beijing.His suggestion that we should go to Beijing is good.当主语是suggestion, advice, requirement, demand等这类名词的时候,表语从句或同位语从句的谓语动词用(should) + do . SummarySummairse the language points Pay attention to check points