1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
is
read
a book.
ing
What is Tom doing?
What is Lucy doing?
Present continuous tense
be (am/is/are) + verb-ing
Tom
play
football.
was
ing
Lucy
was
read
a book.
ing
What was Tom doing at that moment?
What was Lucy doing at 2:30 p.m. yesterday?
They
watching
TV from 6 to 8.
were
The twins
think
were
ing.
What were they doing from 6 to 8 last night?
What were the twins doing at this time yesterday?