英语小问题、烦请帮忙解释下、请问以下2句子括号内为啥接-ing形式?句子如下：1、Thesmallboystarted(spitting)bloodandhismotherpanicked.2、Thearticleisinteresting,butitneedssome(editing)beforeitcanbepu

Question

英语小问题、烦请帮忙解释下、
请问以下2句子括号内为啥接-ing形式?句子如下：
1、The small boy started (spitting) blood and his mother panicked.
2、The article is interesting,but it needs some (editing) before it can be published.

Answer 1

第一个用to do形式也行啊.
start doing\to do
第二个看need后是主动还是被动.
主动doing 被动to be done