如果把 “Are to”去掉可以吗?去掉又怎么改?什么情况下才用 "BE TO"?The changes 'll have to be fundamental if they are to have any effect on its future

如果把 “Are to”去掉可以吗?去掉又怎么改?什么情况下才用 BE TO?The changes 'll have to be fundamental if they are to have any effect on its future traffic police are sometimes very pilite.可以把are去掉么为什么去掉或不能去掉? Are there any empty bottles in the box?这句话中的any可以去掉吗如果把any去掉,语法有没有错误,能得分吗 This is the way to do it.中的to可以去掉吗?或者把to去掉do变doing?为什么? Many desks are to be taken out of the hall.可以改成“Many desks are be taken out of the hall.” 把 “to”去掉?这样合理吗,为什么? 可以帮忙把所有英文字母去掉吗 雨可以把灰尘去掉吗? The books are on the counter 可以去掉are吗? We are going to reduce the number of trees being cut down 去掉being可以吗? 分式如果约分可以把分母去掉则是不是分式 可以把括号去掉么 灰尘可以去掉吗? 怎么把图上的字去掉可以帮我把kiwis,apples&limes去掉吗 That is just what I want to know.可以把what去掉吗/我 i did not send cards to my friends 可以把card的s去掉吗 she would sooner resign than transfer to Beijing.把would去掉可以吗? they are willing to spend more time playing basketball and to (这个to可以去掉吗 ) play on line game The house is being pulled down to make room for the new highway.中的being可以去掉吗?为什么?如果可以去掉,意思有什么不同?