Look at the trouble I am in!If only I ( C )your advice

题目

Look at the trouble I am in!If only I ( C )your advice
C.had folllowed
选C是为什么啊?关于倒装的那些语法来了?
虚拟语气,If only引导倒半装句那为什么要选had followed为什么不是should followed

答案

if only
adv.
1.要是 (表示虚拟语气,动词的时态要用过去时,be动词一律用were.如果动作本身就发生在过去,那就要用过去完成时.)
If only it hadn't!
要是没有登就好了!
If only I could swim.
要是我会游泳该多好.
If only I were rich.
但愿我很富.
If only she would come!
如果她能来就好了!
If only I had seen it.
要是我看见就好了.
If only someone could help me!
有谁能帮助我就好了!
2.(表示强烈的愿望) 但愿,真希望,只要...就好了：
If I only knew!
要是我知道该多好.
If only he will!
他愿意就好了!
Oh,if only he will!
要是他愿意就好了