主语从句连接词用法十万火急啊

主语从句有以下连接词及其用法：
1. That
That matter takes up space is known to all. (= It is known to all that matter takes up space.)

2. whether (if)
Whether she is will join us doesn't matter too much.(=It doesn't matter too much whether (if) she is will join us.)

3. what
What is to be done next hasn't been decided yet. (= It hasn't been decided yet what is to be done next.)

4. which
Which test is to be made first remains to be discussed further. (= It remains to be discussed further which test is to be made first.)

5. who
Who will head the delegation is unknown. (= It is unknown who will head the delegation.)

6. whoever
Whoever will go may sign here.

7. whatever
Whatever steps you take should be practical.

8. whichever
Whichever comes in first will receive a prize.

9. what(so)ever
What(so)ever we do must benefit the people.

10. whi