1. It was her lack of confidence that surprised me. (surprising)

>.......

2. He was annoyed because his son often came home late (obiected)

>......

3. I haven't seen that man here before

> It't.......

`1,` Her lack of confidence was surprising me

- It + V/tobe + N + that + V ... -> nhấn mạnh

- surprised (mang nghĩa bị động) - surprising (mang nghĩa chủ động)

`2,` He objected to his son coming home late

- object to sb/sth doing sth : phản đối ai/cái gì làm gì

`3,` It's the first time that I have ever seen that man here

- S + have/has + not + P2 + ... + before

= It's the first time + (that) + S + have/has + ever + P2 ...