从句一律保持陈述语序。主语从句同位语从句表语从句宾语从句 How should we use modern technology?The problem is …The problem is how we should use modern technology.When will man be able to live on Mars? ….is unknown to us all. When man will be able to live on Mars is unknown to us all.Where will all these advanced technology lead us ?I can’t imagine….I can’t imagine where all these advanced technology will lead us. His success in the competition made us happy.That he succeeded in the competition in the game made us happy.一个句子， 在连词的引导下，在另一个句子中充当名词使用，叫名词从句 1. 连接词有： that whether 和 lf2. 连接代词有： who whom whose which what 等 3. 连接副词有： when where why how 等 另外 whatever whoever whichever 等 也可 以引导主语和宾语两种从句。 名词性从句可以表示：事实和问题。名词性从句中的“ that” 没有词义，也不作任何成分。1. 主语从句：从句在句中充当主语成分1). That he will succeed is certain .2) Whether he will go there is not known .3) What he said is not true .4) Where he hid the money is to be found out .5) Whoever comes is welcome.6) It’s certain that he will succeed .7) How we can help the twins will be discussed at the meeting. 8)When they’ll start the project has not been decided yet. It 的用法： （形式主语） It’ possible/important/necessary/clear… that…… 很可能 / 重要的是… / 必要的是… / 很清楚… It’ said/ reported… that.. 据说 / 据报道… It’s been announced/declared that.. 已经通知 / 宣布… It seems/appears/happens.. that… 显然、明显、 碰巧 .. It’s no wonder that… 并不奇怪 / 无疑… It’s a pity/a fact /a common knowledge ( 众所周知） / a common saying…. （俗话说） 注 意：1. What you left are only several old books.2. What you said is of great importance.3. What he s...
