将开会有更少的树 将来会有更多的轿车 用3种将来时翻译

将来时只有两种表达方式：
1.be going to
2.will
将来会有更少的树.
There are going to be fewer trees in the future.
=There will be fewer trees in the future.
将来会有更多的轿车.
There are going to be more cars in the future,
=There will be more cars in the future.