this morning/week/month as a past, completed period of time, then we use the Past Simple; if we see them as a period including the present moment, then we use the Present Perfect. Compare:
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。 ★...
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...
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...
● We usethe Present Perfectwhen we talk about something that happened in a period of time up to the present. We usethe Past Simpleto 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;表示在过去的某个特...
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...
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
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。根据句中的谓语动词 "had" 和 "drank" 是动词过去式,所以这句话时态为一般过去时。句意:今天早上我吃了一些面包,喝了一些牛奶。故答案为:simple ...
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...
Please forgive[translate] a我们的世界与时俱进 Our world keeps pace with the times[translate] aDave called you about half an hour(),Anna 戴维告诉了您关于半小时(),安娜[translate] apresent perfect and past simple 现在完成时和过去简单[translate]...