专题复习--现在进行时
一.意义:
现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.
▲ 二.构成:
be (am, is ,are )+动词现在分词(-ing 形式)
三. 动词的现在分词的构成:
(1)一般在动词末尾直接加 ing, read→reading; work→working
(2)以不发音字母 e 结尾的动词,先去掉 e,再加 ing,
如 skate →skating make →making dance → dancing write → writing
have → having ride → riding come → coming type→typing
(3)少数几个以 ie 结尾的动词要变 ie 为 y, 再加-ing
die→dying tie→tying lie→lying
★(4)辅+元+辅结构,应双写末尾的辅音字母,再加 ing,
如 : putting running beginning stopping swimming shopping
jogging sitting getting forgetting letting digging
planning preferring
四、现在进行时的句型转换:
肯定句: 主语 + be + 现在分词 V-ing (+ 其他)
She is singing at the moment
否定句:主语+be+not+动词-ing +其他.
She is not singing at the moment
一般疑问句:Be+主语+动词-ing +其他?
. Is she singing at the moment?
---Yes, she is.
---No, she isn’t.
特殊疑问句:特殊疑问词+一般疑问句?
Eg1. What are you doing now?
Eg2. Who is he talking to?
Eg3. Where are they dancing?
五、现在进行时的时间标志及用法:
1)一般句中用到表示 “在现在 ”的时间状语,如: now, right now, at the
moment 或 It’s+几点钟”句型,常判断用现在进行时。
Eg: Let’s go fast. Mr. Wu is waiting for us now/ right now/ at the moment.
Eg. It’s six o’clock. The children are playing basketball.
1
(2)句中用到“Listen!” “Look!” “Keep quiet” “Don’t make
初中英语--在进行时过去进行时(含练习) 来自淘豆网www.taodocs.com转载请标明出处.