1.Peter出去一个小时了 (3句：过去时,系表结构现在完成时,句型)2.Lucy和John结婚5年了 (3句：同上)3.我去过上海3次了 (1句)4.他每天花两个小时写作业 (1句)5.学好一门外语不容易 (1句)6.许多国家讲
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1.Peter出去一个小时了 (3句：过去时,系表结构现在完成时,句型)2.Lucy和John结婚5年了 (3句：同上)3.我去过上海3次了 (1句)4.他每天花两个小时写作业 (1句)5.学好一门外语不容易 (1句)6.许多国家讲
1.Peter出去一个小时了 (3句：过去时,系表结构现在完成时,句型)
2.Lucy和John结婚5年了 (3句：同上)
3.我去过上海3次了 (1句)
4.他每天花两个小时写作业 (1句)
5.学好一门外语不容易 (1句)
6.许多国家讲英语,如美国、加拿大、澳大利亚 (1句)
1.Peter出去一个小时了 (3句：过去时,系表结构现在完成时,句型)2.Lucy和John结婚5年了 (3句：同上)3.我去过上海3次了 (1句)4.他每天花两个小时写作业 (1句)5.学好一门外语不容易 (1句)6.许多国家讲
1.Peter went out an hour ago.
Peter has been out for an hour.
It has been an hour since Peter went out(关于第三句的那个“句型”,是不是说要用学过的某个句型的意思,请楼主补充一下哈)
2.Lucy and John got married five years ago.
Lucy and John have been married for 5 years.
It has been five years since Lucy and John got married.
3.I have been to Shanghai three times.
4.He spends 2 hours a day in doing homework.
或者 It takes him 2 hours to finish homework everyday.
5. It's not easy to learn a foreign language well.
6. There are many English-speaking countries, such as America, Canada and Australia.