英语问题，急！！以适当形式填空，要有详细解释，满意追加悬赏

Question

1、If I had enough money , I (go)_____on a trip to Biejing.
2、The headmaster demanded that every student (come)_____on time.
3、We objected to (have)_____the meeting without her.

Answer 1

1.would go
if虚拟语气，表示与现在事实相反的假设，主句用should或would+动词原形
2.(should) come
demand后面的宾语从句必须使用虚拟语气，即从句谓语使用“should + 动词原形”结构，且should可以省略。

3.having
object to doing sth.反对做某事

Answer 2

1will go
2should come
3having

Answer 3

1 would go 虚拟语气if从句过去主句主语+would /should /could+动词原形。
2 come 省略should。
3 having object to doing sth.固定搭配，反对某事。

Answer 4

will go
should come
having