13. I ___ a brother. She ___ a sister. A. have; has B. has; has C. have; have 14. You ___ a student. He ___ a teacher. A. is; is B. are; is C. are; are 15. He always ___ football games. A. watches B. watch C. doesn't 16. My best friend ___ shells...
(二)助动词have(has, had, having)的用法 1、助动词have可以构成完成时或完成进行时 Hehas beena doctor for 10 years. 他当医生十年了。 2、和不定式构成谓语,表示客观上不得不做的事...
2.时间状语:recently, lately, since…for…,in the past few years, etc. 3.基本结构:have/has + done 4.否定形式:have/has + not + done. 5.一般疑问句:have或has提前。 6.例句:I've written an article. It has been raining these days. 六、过去完成时 1.概念:以...
3.以“辅音字母+y”结尾,变y为i, 再加-es,如:study-studies 特殊:have-\-\-has 三、一般现在时的变化 1. be动词的变化。 否定句:主语+ be + not +其它。如:He is not a worker.他不是工人。 一般疑问句:Be +主语+其它。如:-Are you a student? -Yes. I am. / No, I'm no...
B、has; bought C、did; buy D、does; buy (点击选项查看答案) do you think 是插入语,可以将其去掉,分析句意应用过去时态和陈述语序。 点击查看解析 05 Can they speak Spanish?I want...
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