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语法练习6 六.时态: 要求掌握动词六种时态的基本结构(一般现在时,一般过去时,现在进行时,过去进行时,现在完成时和一般将来时态)及它们的主要用法和区别。了解过去将来、过去完成时态的基本用法,解题时注意找出关键词,正确判断出时态,按时态结构正确变化动词。注意句子时态的一致性,注意对特殊时态的处理[if条件句, as soon as和notuntil的时间状语从句,注意主(句)将(来),从(句)现(在)]。 ( )1. ---- My parents have ever been to Canada. ---- Really? When ________ there ? A. have they been B. will they go C. had they been D. did they go ( )2. ---where's________ ? --- He has left a(n) ___ saying that he has something important to do. A. has Tom gone; message B. has Tom been; note C. will Tom go; word D. did Tom go; excuse ( )3. ______ the end of last term, they ______ 500 new words. A. By; had learned B. At; would C. Since; learned D. During; have learned ( )4. During the last ________ years he ________ me a lot of help. A. a few; give B. few; gave C. few; has given D. a few; would give ( )5. Her father told her he ___________. A. will buy her a pen B. is buying her a pen C. bought her a pen D. would buy her a pen | 
