用所给动词适当形式填空,l've already forgot .(take) to Beijing when young

问题描述:

用所给动词适当形式填空,l've already forgot .(take) to Beijing when young
为什么是being taken
那,用taking可以吗?

being taken,forget 后面可以跟to do和doing ,跟to do就表将来,跟doing就是表过去.你就想到了这一层,可根据题意一个是被带去,be taken ,所以答案应该是being taken