that引导主语从句
1.That you didn't know the rules won't be an excuse for your failure.
2.That the storm will continue makes the public worried
3. It suddenly occurred to Rose that she hadn't turned off the TV after leaving the room.
(It作形式主语，正在的主语从句是that she hadn't turned off the TV after leaving the room.)
4. It is often the case that anything is possible for those who hang on to hope.
(It作形式主语，正在的主语从句是that anything is possible for those who hang on to hope.)
5. As I searched the name Linda on the Internet, it became evident that there're two with the same name who look completely different.
当我在网上搜索Linda这个名字的时候，很显然有两个看着完全不同但姓名相同的人。
6. It is a pity that you have missed the wonderful lecture.
你错过了这么精彩的演讲真遗憾。
7.It is announced in today's newspaper that the president will pay a visit to China next week.
今天报纸上宣称总统下周要对中国进行访问。
8. It is believed that children should learn to be responsible from the very beginning．
人们认为，小孩子从小就要学会承担责任。
(It作形式主语，正在的主语从句是that children should learn to be responsible from the very beginning．)
9. That he suddenly fell ill last week made us surprised.
10. That light travels faster than sound is known to us all.
that引导宾语从句
1. I truly believe that beauty comes from within.
2. Experts believe that people can waste less food by shopping only when it is necessary.
3. Why don’t you bring it to his attention that you are too ill to work on?
it是形式宾语，真正的宾语是后面that引导的从句。
4. We think it important that college students should master at least one foreign language.我们认为大学生至少掌握一门外语是很重要的。
it是形式宾语，真正的宾语是后面that引导的从句。
5. Tom is a nice boy, except that he is sometimes late for school.
（词句为介词后宾语从句）汤姆是个很棒的男孩，除了有时上学迟到。
6. I am glad that everything is all right.
（形容词后的宾语从句）
注意：动词后连个宾语从句的时候，第一个宾语从句引导词that可以省略，第二个宾语从句引导词不可以省略。
He said he had eaten nothing, and that he was hungry.
Most parents fear computer games will prevent their children from studying hard and that their children will fail in the examination.
that引导表语从句
1.The fact is that we have lost the game.
事实是我们已经输了这场比赛。
2. The most pleasant thing of the rainy season is that one can be entirely free from dust.
3. My decision is that all of us are to start at 6 o'clock tomorrow morning.
我的决定是我们所有人明天早上6点出发。
4. What is known to us is that the moon travels around the earth every month.
5. My suggestion is that we (should)tell him the truth.
That引导同位语从句
that引导同位语从句时，应在某些抽象名词如fact, hope, desire, thought, suggestion, idea, news, problem, possibility等后，对前面的名词起补充说明的作用，that只起引导作用，在同位语从句中不充当任何成分，但一般不能省略。
He has made a promise to his boss that he'll return in three days as long as he can get to the destination in time.
他向他老板承诺只要他能及时到达目的地就会三天后回来。