There be + 主语 + to do 或+ doing ……区别解析

1、解释：There be + 主语 + to do …通常表示动作尚未发生…如：

There are a lot of flowers to be watered. 那里还有很多花没被浇水。

There was nobody to look after the child. 没有人照顾这孩子。

There was a large crowd to send him off. 有一大群人要来给他送行。

注：当其中的宾语与其后的不定式为被动关系时，可用主动表被动，也可用被动式：

如：There is much work to do. = There is much work to be done. 有许多工作要做。

There is much homework to do.= There is much homework to be done.有许多作业要做。

2、There be + 主语 + doing …通常表示动作正在发生：

There are many boys playing basketball. 那里有许多男孩正在打篮球。

There is a boy standing under the tree.大树下有个男孩。