Examples: He has just left. They have grown so much. For negatives in the present perfect tense, add not after the auxiliary verb. Example: I have not slept well. For questions, place the auxiliary verb before the subject. Example: Have you seen this movie? The present perfect tense ...
Rewrite the following sentences in the present perfect tense according to the example. Make changes if necessary.仿照例句用现在完成时改写下列句子,必要时进行一些改变。Example: I passed my final examination last month.I've already passed my final examination.1. Mary spent the whole day preparing for...
Thefuture perfect tenseexpresses an action that will be completed by some point in the future. 将来完成时态表示将来某个时间点完成的动作。 Examples of The Perfect Tense: 完成时态的例句: To form theperfect tenses,you must useauxiliary verbs. 完成时态需要使用助动词。 Present Perfect-Present tense...
Reword the following sentences, using the present perfect tense.Example:It's two months since he earned any money.→He hasn't earned any money for two months.1. It's three weeks since I last had a good night's sleep.___2. It's three months since he wrote to me.___3. I last ...
We know that one common use for the present perfect tense is in showing actions or situations that began in the past and continued until now. Sometimes, however, this use is confusing--because some verbs are not normally used to show a continuing action.
the present perfect tense 现在完成时 Step1 Thepresentperfecttense 现在完成时 Mother:John,it’stimetogetup.John:Mum,Ihavealreadygotup.have+过去分词（PP）结构：___Mother Practice:Mother:John,cleanyourteeth.John:Mum,Ihavealreadycleanedmyteeth.Mother:John,havebreakfast.John:Mum,Ihavealreadyhadbreakfast...
2 Reword the following sentences, using the present perfect tense.Example It's two months since he earned any money.→ He hasn't earned any money for two months.11 It's three weeks since I last had a good night's sleep.22 It's three months since he wrote to me.3 I last saw him...
The Present Perfect Tense 现在完成时 课件 (共22张PPT) 外研 现在完成时ThePresentPerfectTense 结构：have/has（助动词）+done(动词的过去分词）肯定形式：主语+have/has+done否定形式：主语+have/hasnot+done一般疑问句：Have/Has+主语+done+其他？肯定回答：Yes,主语+have/has.否定回答：No,主语+haven't/...
the past and continues to the present.I have lived here since I was born.We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.Eddie has just eaten Hobo's food.(Eddie ate the food, and now Hobo has nothing to eat....
英语基础语法，【现在完成时 (The Present Perfect Tense) 】(1)现在完成时的构成 现在完成时由“助动词 have(has)+过去分词”构成。现以动词 work 为例，将现在完成时的肯定式、否定式和疑问式 以及简略答语列表如下：肯定式 I/You have worked 。He/She/It has worked 。We/You/They have worked 。否定...