动词 "to be" 的现在完成时需结合助动词 "have/has" 和其过去分词 "been"。 1. **选项 a) am**:是现在时第一人称单数形式,不包含过去分词,不符合现在完成时结构。 2. **选项 b) is**:是现在时第三人称单数形式,同样缺少过去分词和助动词的搭配,不适用。 3. **选项 c) are**:是现在时复数形式...
be的past tense(过去时)有was(单数时)和were(复数时).动词形式to have是用不定式标注动词原形,不属于任何时(态).一起回答你的上一个问题:英语里,只有“过去”与“将来”两种tense,“将来”是“时间表达方式”(由各种复合结构如情态will/shall+动词原形构成等,所以才会出现如‘过去将来’等说法).这种“时”与...
1.1 Affirmative forms of the main verb to have Person 1st / 2nd sing3rd singPlural TenseI / youhe, she, etcwe / you / they Present.havehashave Preterithad .Present perfecthave hadhas hadhave had Past perfecthad had Abbreviated forms ofhave: ...
1.4.2 过去时态的前指和后指用法(Anaphoric and cataphoric use of the past tense) 1.4.3 过去事件、状态和习惯(Event, state, and habit in the past) 1.5 关于现在和将来时间的过去时态的意义(Meanings of the past tense with reference to present and future time) ( 译注说明:由于原书出版较早,排版...
英语动词有五种基本形式,即动词原形(Verb Stem),第三人称单数形式(Third Person Singular Tense Form),过去式(Past Tense Form),过去分词(Past Participle)和现在分词(Present Participle)。这五种形式和助动词一起构成动词的各种时态、语...
QUIZ Complete each sentence by changing the verb in( ) to present tense 1.We (have)dinner at eight every night. 2. My brothers goes(go) dance classes every weekend. 3. Mary meets ( (meet)her grandparents every month. 4. The boys (play)very well. 5.I (brush)my teeth twice a day...
教材原文汉语译文Simple present tense of the verb to do动词do的一般现在时We use the simple present tense when we talk about:我们用一般现在时来谈论:things that we often do我们经常做的事图 山Millie gets up at 6: 30 every morning.米莉每天早上六点半起床。things that are always true总是真实的...
be的past tense(过去时)有was(单数时)和were(复数时).动词形式to have是用不定式标注动词原形,不属于任何时(态).一起回答你的上一个问题:英语里,只有“过去”与“将来”两种tense,“将来”是“时间表达方式”(由各种复合结构如情态will/shall+动词原形构成等,所以才会出现如‘过去将来’等说法).这种“时”与...
were be being been Verb to be---有时可解作「是」「有」「在」。 Verb to be 的用法； 1) 现在式 Simple present tense 的用法： 例句: I am a boy. He is a man. She is a woman. You are a doctor. 例句: They are students. We are children. (意思是我们是儿童) 例句: ...
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