`3`. I like him because his father is kind to me.

=> Because of his kind father, I like him.

`4`. The train came late because it was foggy.

=> Because of the foggy, the train came late.

`5`. Tom left school because his family was hard.

=> Because of Tom's hard family, he left school.

`6`. Mary can't work fast because she is very old.

=> Because of being very old, Mary can't work fast.

`7`. Because Kate didn't learn anything, she couldn't pass the exam.

=> Because of not learning anything, Kate couldn't pass the exam.

`8`. Tom didn't make any mistakes because his plan was careful.

=> Because of Tom's careful plan, he didn't make any mistakes.

`9`. Because Tom was not confident in his performance, he got a lower mark than them.

=>Because of not being confident in his performance, Tom got a lower mark than them.

`10`. John can't meet you because of being busy.

=> Because John is busy, he can't meet you.

Because of + Ving/N = Because + mệnh đề: Bởi vì ...