用括号中词的正确形式填空
1.Ifyou______(go)totheexhibitionyouwillenjoyit.
2.IfI_______(have)time,I____(be)writingtohimtomorrow.
3.Please__________(notdisturb)himifhe___(be)busy.
4.Ifyou_____(break)thiswindow,you____(haveto)payforit.
5.He_____(will)helpyouifhe__(be)here.
6.IfI___(be)you,I(notbe)soconfident