If I (had know) how to sing the song,I would have joined you that day.为什么不是knew

If I (had know) how to sing the song,I would have joined you that day.为什么不是knew how will i know if I let you go意思? How was the party last night?I had a good time,___ I didn't know anybody.A as if B since C so that D even though If I do not know how good that the翻译 英语检查语法1.When i got home,mum had got up already.2.I was very nervous becaure i didn't know how to answer if she asked me what i had done. If I can't find it,how can I know where I'm going? If.I.Had.You if i had my if you know how much i miss 如题那我还问下if you know how much i miss you every second可以这样用么? If I ()(know) how to sing the song,I have enjoyed you that day i don't know i can do it if not now选择AwhereB.whyC.whenD.how 含I don't know 的几个宾语从句问题I don't know ___.答案是where my class teacher lives now为什么不能是where my class teacher is living nowI don't know ___.答案是how well I did in the exam为什么不能是if I had passed the exam If you had any reason you’d know I never want to see you again. I wanted to know if he ___A.had come B.will come 英语翻译If i were a boy ,i think i could understand how it feels to love a girl .I swear i 'd be a better man .I'd listen to her,cause i know how it hurts when you lose the one you wanted.Cause he's taken you for granted and everything you had go I want to know how long they had got married这句话对吗? I really don't know how to f_____ him for we had a quarrel last night have had done与had have done区别——，I'd have told you.A.If I would have known B.If I had have known C.Had I known D.Should I know