a三天就这样过去了 Three days like this have passed by[translate] asimple present vs,simple past 简单的礼物对,简单过去[translate]
一般simple一般现在时present simple一般过去时past simple一般将来时future simple（一般）过去将来时past f...
present simple 一般现在时 past simple 一般过去时 simple (无须用助动词构成的动词时态)简单的,一般的 祝同学学习进步~ 版权申明:知识和讨论来自课程:《中级水平直达雅思7分【剑桥全能随到随学班】》的学员和老师,如果想了解更多,可以报名参加课程学习。所有知识讨论内容,版权归作者及沪江网校所有。
simple present 无标志,表示日常行为 习惯 爱好等 动词为原形,单三加s 就行了simple past 谓语为过去时present countinuous 原形系动词 链接 动名词past continuous 过去式系动词 链接 动名词present perfectpast 标... 分析总结。 simplepresent无标志表示日常行为习惯爱好等动词为原形单三加s就行了simplepast谓语为...
A. Read the examples and discuss the difference between for and since. Then complete the rules.a. A: How long have you been a volunteer?Use:• The Present Perfect Simple for an action which started in the past and continues up to the present....
Past simple uses a verb form like "studied," "visited," "bought." while present perfect uses "have/has" + past participle (studied, visited, bought). If you have a specific time in mind, use past simple. If the action started in the past and has some relevance to the present, use...
As aformer English teacher, one of the most common points of confusion in English grammar was the difference between present perfect simple and past simple, especially because some languages simply don’t have “perfect” tenses. But if you want toimprove your English skills, understanding this ...
The structure of the Present Perfect is: have/has done 现在完成时结构:have/has done ● When we talk about something that happened in the past, but we don’t specify precisely when it happened, we use the Present Perfect. ● 表示某事发生在过去,但并未给出具体的发生时间,用现在完成时。 ★...
Simple Present 一般现在时,以动词原形和三单形式作谓语。Simple Past 一般过去时, 以动词的过去式作谓语。Present Contunuous 现在进行时,用 be+v-ingSimple Future 一般将来时,有多种表达,如will+动词原形,或be + to +动词原形Future continuous 将来进行时,用 will+be+V-ingPresent Perfect 现在完成时,用...
We use the past simple when we include a past time expression to say when in the past an event took place. ✓Yesterday I ate rice. ✗Yesterday I have eaten rice. We use the present perfect to talk about past events when we don't say exactly when they took place and with expressio...