1. You will have to cook dinner yourself.
2. You have to keep all dangerous objects out of children's reach.
3. We mustn't let the children play in the kitchen because it is a dangerous place.
4. Children shouldn't spend more time playing video games than reading books.
5. Remember, it only takes one match to cause the fire.
@roseanneparkblink
^>^

1  You’ll have to cook dinner yourself. 

-> ta có cấu trúc have to + v nguyên mẫu 

2 you have to keep all dangerous objects out of children's

-> ta có cấu trúc have to + v nguyên mẫu 

3 You mustn't  let children play in the kitchen .It's a dangerous place to play

-> must + v nguyên mẫu 

4 children shouldn't spend more time to  playing games than reading books 

-> shouldn't + v nguyên mẫu 

-> spend + V-ing 

5 Remember, it only takes one match to cause a fire