begin(start)doing/to do
<br/>begin/start to do sth
begin/start doing sth.
<br/>1)谈及一项长期活动或开始一种习惯时,使用doing.
how old were you when you first ... 20210311
即不是定句也非表语从句,这是从句 the book 主语on h** face 主语定语suggested 谓语that he was angry 从句判断是否为定语从句,定语从句一般要有先行词,关系代词如that要紧跟在先行词后面,此句前面是动词,故排除是定语从句。而表语从句中,从句可看成是表语,前面得有系动词啊,所以也非表语从句。由于that前面是动词,所以是宾语...