2) We have no need to be afraid of them.
3) He Pretended to be friendly with me.
4) It will pay to be kind to others.
5) All my life I have tried to be an honest man.
6) He seems to be fast asleep.
7) It pays to be honest.
8) The Functions,that were proposed in the last meeting,have been proved to be very successful.
9)The barrister urged the judge to be merciful.
10)He felt very embarrassed.
請用中文詳盡解釋點解形容詞前面要放to be,而有時候又不用放to be?
更新1:
請解釋除了動詞felt之後加形容詞不須用(to be),還有什麼動詞呢? **請用中文詳盡解**