06 2023 档案
发表于 2023-06-28 02:30阅读:192评论:0推荐:0
摘要:  She has left her office. 将陈述句中的助动词have或has提前到句首 Has she left her office? 例句练习 Has he seen that movie? Have they arrived at the airpo
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发表于 2023-06-01 10:30阅读:417评论:0推荐:0
摘要:一般疑问句主要分为三类,第一,be动词类型;第二,情态动词can、may、should、must;第三,行为动词类型。 1.be动词类型(am/is/are) I am a student.(陈述句) I am not a student.(否定句) Are you a student?(一般疑问句
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