In the first sentence we’re talking about anexperience, and in the second sentence we’re describing an event that happened at aspecific timein the past. So, in a conversation about experiences, we often start by using present perfect and then give some specifics about when we had the ex...
To create a negative sentence in the present perfect tense, we just addNOTbetween the auxiliaryHAVEorHASand thepast participle. Ihave finishedthe report. (This is anaffirmativesentence) Ihavenotfinishedthe report. (This is anegativesentence) However, it is much more common to use a contraction ...
Moreover, because these adverbs relate to time, they’re often used with the present perfect tense. The adverb yet, used often with a negative or in questions, almost always comes at the end of a sentence or clause. Sadly, he hasn’t finished the race yet. Have you finished your ...
(This is the present perfect tense. In this example, David might have finished working with those scientists, but the sentence carries theconnotationthat he is still working as an entomologist.) David worked alongside two of the world's finest scientists in the field of entomology. ...
Negative:haven’t/hasn’t been + present participle(verb + ing) Meaning Present perfect continuous is used to talk about an action/event that started in the past and is still happening now. I’ve been waitingfor over an hour.(I’m still waiting now) ...
(“yet” always used for negative sentence and questions) Sofar, we have done five tasks. NOTICE:For and Since with Present Perfect Tense We often useforandsincewith perfect tenses: We useforto talk about aperiodof time:five minutes, two weeks, six years We usesinceto talk about apointin...
Write the full sentence, using the present perfect. Example: I / write / a letter / the newspaper I have written a letter to the newspaper. you / ever / buy / shoes / from a second-hand shop?相关知识点: 试题来源: 解析 1. Have you ever bought shoes from a second-hand shop? 无 ...
12Reword th folowingsentence,usingthe present perfecttense.ExampleIt's two months since he earned any money.→ He hasnt earned any money for two months.1 Its three weeks sinceI last had a good night's sleep.2 It's three months since he wrote to me.3 I last saw him on his wedding ...
The present perfect tense can also connect present events to those that happened in the past. For example, the sentenceJosh is acting as our tour guide through Boston because he has been here beforesays that Josh traveled to Boston sometime in the past. This sentence also implies that we ar...
The passive voice creates a sentence in which the subject is not the person or thing carrying out an action, but rather the person or thing being acted upon. In the present continuous, the passive voice consists of the subject, a form of “be” (“is,”“are,” or “am”), the pre...