Be动词的三种形式(am,is,are)(一般现在时态中)(He)(She)(it)(LucyandI)(GuangzhouandWuhan):用am,is,are填空。。。作主语的为:人或物。从主语看出我们在谈论的是谁或什么。2Be动词am,is,are放在主语的后面。3最后面的都是补语。以补语结束句子。补语表明主语的:属于哪类;地点;对主语描述等。练习:用下面的单词,组成正确的句子。并说明是BE动词的哪种用法。例子:big/./.(对主语分类)is/beautiful/China__________________is/Texas/abigstate__________________hottoday/it/is__________________theteacher/from/is//America/is__________________intheclassroom/are/thestudents__________________themap/onpage3/is__________________myparents/inChina/are__________________am/I/astudent__________________主语与人称代词。
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