If I ()(know) how to sing the song,I have enjoyed you that d

If I ()(know) how to sing the song,I have enjoyed you that d If I (had know) how to sing the song,I would have joined you 1:If I ___(know) how to sing the song,I would join you If I can sing the song to you I'll tell you how my heart was i have heard you sing the song before句子成分 天国的邮递员插曲 if i have beutiful voice,i can sing a song to you 英 用所给动词的适当形式填空.I want to know if she ____(sing)the song yester i want to know how I can sing this song(改为简单句) I like to listen you sing song I'will sing a song to you I don't know how get there (改错） would you like sing a song?( If i sing you a song,would you sing along If i say you're th