一、表示同时表示与谓语动作同时发生且正在进行的动作。如:He seems to be saying something. 他似乎在说什么。He is thought to be hiding in the woods. 人们认为他躲在林子里。It’s nice to be sitting hehttp://www.kaka3.com/tools/yufa/5342.html
英语作文:一切刚开始:本文由作文地带整理分享,希望各位网友喜欢。
"We are reading the first verse of the first chapter of a book whose pages are infinite…”
“我们正在读一本书的第一章第一行,这本书的页数是... http://www.joozone.com/gaokao/803478.html