摘要: 情态动词的过去式.例如can-could.may-might.但是少数情态动词只有过去式.例如used to表示过去常常.must的过去式往往用had to代替.
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Write the right word form requested in the parentheses.
(根据括号内的要求,写出单词的正确形式。)
1.ruin ________(动词)
2.shake ________ ________(动词的过去式及过去分词)
3.rise ________ ________(动词的过去式及过去分词)
4.burst ________ ________(动词的过去式及过去分词)
根据括号内的要求,写出单词的正确形式。
1.responsibility(形容词)________
2.course(名词复数)________
3.prevent(名词)________
4.social(名词)________
5.organize(名词)________
6.support(动词的过去式)________
7.creative(动词)________
8.unexpected(反义词)________
9.switch(动词的过去式)________
10.normally(形容词)________
11.presentation(动词)________
12.solve(动词的过去式)________