我仅仅学了几个月的英语。翻译成英文

I have only learned English for months.

I have been learning English for only a few months.

i've been learning english for only a few months

I have been studying English for only a few months.

I have merely studied several month-long English.楼上的怎麽说话的！！！谁说只有他对的了，其他人用的只不过是最简单的用法。基本没有语法错误的！！！

I've learned English for only a couple of months.