I was able to play the guitar last year.I am able to play the guitar by ear now.I will be able to perform it on the stage soon. 去年我会弹吉他.现在我能够靠听觉弹吉他.不久我就能登台演奏吉他.但我不会弹吉他唉
我想这样写:2年前我能听一些歌,现在我可以唱一些流行歌曲,以后我能成为一名歌手I was able to sing songs with music two years ago. I am able to sing a lot of popular songs now. I will be able to become a singer later.两年前我能随着乐曲唱歌,现在我可以唱好多流行歌曲,以后我能成为一名歌手。第一句话是sing songs还是sang songs?be able to 后必须用动词原形,因此是 sing,不能用过去式 sang