am/is/are(1)实义动词(也叫主要动词或词汇动词),连接两个概念:Emma is a teacher. The eggs are in the fridge.(2)助动词: I&# … Continue reading 通过100个单词掌握英语语法(三)am/is/are
am/is/are(1)实义动词(也叫主要动词或词汇动词),连接两个概念:Emma is a teacher. The eggs are in the fridge.(2)助动词: I&# … Continue reading 通过100个单词掌握英语语法(三)am/is/are