To learn English is not an easy thing.在这个句子learn English is

To learn English is not an easy thing.在这个句子learn English is To learn English is not an easy thing.和learn English is not To learn English is not easy. Is easy to learn english? To learn English is easy. English is easy to learn. I think it is not easy to learn English well.这个句子为什么不用否定前移啊? （ ） is not easy to learn English well. to learn English well is not too easy同义转换 To learn English well is not easy.(保持意思不变) But it is not easy to learn English well. It is easy to learn English.解析