Key grammar

1. He is in his early 30s.

2. In addition often used in writting, not speaking, and to use ‘other than that’.

3. teenager / retired person / young adult / elderly person / middle aged person

4. I’ll probably / Perhaps I’ll / I definitely / I might / I’m pretty sure

5. I’m pretty sure I’ll want a slower pace of life.

6. I will definitely …
7. I definitely will/won’t won’t must be put after definitely. It’s stronger if ‘will’ is put after definitely