他越来越感到应该支持这个建议，英语怎么说？

He becomes more and more convinced that he should support this proposal.

He thought the suggestion should be given more and more support by himself.

He begins to feel that the proposal should be supported,

more and more 应该用 begin (开始考虑)来表达 所谓越来越多的意思

He comes to feel that he should support this piece of suggestion.