Where’s Sally, Jack?
She’s in the garden, Jane.
What’s she doing?
She’s sitting under the tree.
Is Tim in the garden, too?
Yes, he is.
He’s climbing the tree.
I beg your pardon?
Who’s climbing the tree.
Tim is.
What about the dog?
The dog’s in the garden, too.
It’s running across the grass.
It’s running after a cat.
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現在進行時
在英文中若想表達此刻正在進行的動作或事件,要用動詞的現在進行時形式。現在進行時由be的現在時形式(am, is, are)+現在分詞組成。如課文中的Shes sitting under the tree 和He‘s climbing the tree等句子均爲現在進行時。對大多數動詞來說,在動詞後面直接加-ing即可構成現在分詞,如doing, climbing。以-e結尾的動詞,要去掉-e,再加-ing,如making。如果動詞只有一個元音字母而其後跟了一個輔音字母時,則需將與輔音字母雙寫,再加-ing,如running, sitting。
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疑問式:將用了現在進行時的句子變成一般疑問句時只需將助動詞提前。如:
- He’s reading a magazine.
- Is he reading a magazine?
他正在看一本雜誌嗎?
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否定式:現在進行時的否定式是將否定詞not放在助動詞之後。如:
- The dog is drinking its milk.
- The dog is not drinking its milk.
狗沒在喝它的那份牛奶。
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