If you do not,you will be fined up to 50 pounds.It will not be up to the drivers to make sure you wear your belt.为什么后面那句用to make?我用have made不行吗?

问题描述:

If you do not,you will be fined up to 50 pounds.It will not be up to the drivers to make sure you wear your belt.
为什么后面那句用to make?
我用have made不行吗?

已经有系动词be了,当然不能用have,只能用不定式或分词形式