现在完成时present perfect simple现在完成的动作过去完成时past perfect simple 过去已经完成的动作结果一 题目 英语present perfect simple跟past perfect simple 有什么区别? 答案 现在完成时present perfect simple现在完成的动作过去完成时past perfect simple 过去已经完成的动作相关推荐 1英语present perfect simple跟past...
past continuous:i was reading newspaper at 7o'clock yesterday. present continuous:i am reading newspaper now. present perfect continuous:i have been learning english for 2 years. present simple:i like cats. past simple:i went to school yesterday. present perfect:i have finished my homework.反馈...
现在完成时present perfect simple现在完成的动作 过去完成时past perfect simple 过去已经完成的动作
(7) simple past (8) past passive (1) 考查时态。根据had+done可知,时态为过去完成时。句意:我们到那里时,会议已经开始了。故答案为:past perfect。 (2) 考查时态。根据have+done可知,时态为现在完成时。句意:我从2019年开始在这里工作。故答案为:present perfect。 (3) 考查时态。根据句中的谓语...
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 标志 since ,now thatsimple future/ will /shall 链接 动词原形 结果一 题目 完成对话。在对话的空格...
past perfect,present perfect,simple past,past perfect,past passive,simple past,simple past,past passive (1)past perfect。考查过去完成时。题干中谓语是"had begun",begun是begin的过去分词,可判断时态为过去完成时,谓语结构为"had+过去分词"。故答案为:past perfect。(2)present perfect。考查现在完成时。根...
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....
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。 ★...
● We use the Present Perfect when we talk about something that happened in a period of time up to the present. We use the Past Simple to talk about something that happened at a particular, finished time in the past. Compare:● 表示某事发生在过去并持续到现在，用现在完成时；表示在过去的...
Started in the past, still relevant now I lost my keys yesterday. Finished action in the past I have lost my keys, so I can't find them. Lost in the past, affects the present Tips Past simple uses a verb form like "studied," "visited," "bought." while present perfect uses "have...