现在完成时表示动作现存的结果，或者过去发生的事对现在的影响。
| 全部完成(截止到现在) | 部分完成(截止到现在) |
|---|
| He has finished the homework. | We have learned English for ten years. |
用法：完成？ 现在的之前
做没做完并不重要，重要的是站在哪个角度去看。现在完成时是站在现在的这个角度往之前看。现在完成时表示动作现存的结果，或者过去发生的事对现在的影响。
| 句型 | 助动词 三单 | 助动词 非三单 |
|---|
| 现在完成时 | He has finished the homework. | I have finished the work. |
|---|
| 否定句 | He has not finished the homework.(hasn't) | I have not finished the work.(haven't) |
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| 一般疑问句 | Has he finished the homework? | Have you finished the work? |
|---|
| 特殊疑问句 | What has he done? | What have you done? |
|---|
常与现在完成时连用的副词和副词短语
| 词组 | 用法 |
|---|
| before (now) | I have never been to Paris before.（我以前从未去过巴黎。） |
|---|
| it’s the first time | It's the first time I've tried sushi.（这是我第一次尝试寿司。） |
|---|
| so far | So far, I have finished three books this month.（到目前为止，我这个月已经读完了三本书。） |
|---|
| so far this morning | I have received three emails so far this morning.（到今天早上为止，我今天上午已经收到了三封邮件。） |
|---|
| up to now | Up to now, I haven't received any updates on the project.（直到现在，我还没有收到关于项目的任何更新。） |
|---|
| up to the present | Up to the present, she has published ten research papers.（直到现在，她已经发表了十篇研究论文。） |
|---|
| just | I have just finished my homework.（我刚做完作业。） |
|---|
| recently | Have you seen her recently?（你最近见过她吗？） |
|---|
| already | He has already eaten dinner.（他已经吃过晚饭了。） |
|---|
| lately | Lately, I've been feeling tired all the time.（最近，我一直感觉很累。） |
|---|
| now | I have had a meeting now.（我现在已有一个会议。） |
|---|
| for | I have been learning Spanish for two years.（我已经学习西班牙语两年了。） |
|---|
| since + 时间 | She has been working here since 2010.（她自2010年以来一直在这里工作。） |
|---|
| till | The store is open till 9 PM.（商店一直开放到晚上9点。） |
|---|
| at last | I have found my keys at last.（我终于找到了我的钥匙。） |
|---|
| finally | He has finally finished his thesis.（他终于完成了他的论文。） |
|---|
疑问句和否定句中
| 词组 | 用法 |
|---|
| ever | Have you ever been to Paris?（你曾经去过巴黎吗？） |
|---|
| yet | Have you finished your homework yet?（你完成作业了吗？） |
|---|
| never | I have never seen a shooting star.（我从来没有见过流星。） |
|---|
| not…ever | He does not ever eat spicy food.（他从不吃辣食。） |
|---|
| have you ever | Have you ever been skydiving?（你曾经体验过跳伞吗？） |
|---|
| yet to | He is yet to finish his project.（他尚未完成他的项目。） |
|---|
| never again | I will never again trust him.（我再也不会信任他。） |
|---|
| not yet | I have not yet received the package.（我还没有收到包裹。） |
|---|
| ever since | I have been happy ever since I met you.（自从遇见你之后，我一直很幸福。） |
|---|
| never before | This has never happened before.（这从未发生过。） |
|---|
| not anymore | He doesn't work here anymore.（他不再在这里工作了。） |
|---|
| just yet | I can't leave just yet.（我还不能离开。） |
|---|
| evermore | I will love you evermore.（我将永远爱你。） |
|---|
| never mind | Never mind, it's not important.（没关系，这不重要。） |
|---|
| not anymore | He doesn't live here anymore.（他不再住在这里了。） |
|---|
| have yet to | I have yet to meet my new neighbor.（我还没见过我的新邻居。） |
|---|
- I’ve planted fourteen rose bushes so far this morning. 到今天上午为止，我已经种了十四丛玫瑰。
- I have lived here for several years now and I’ve made many new friends since I have lived here. 我已经在这里住了好几年了，自从我住在这里以来，我交了很多新朋友。
现在完成时还可和表示频度的副词连用，表示反复和习惯性动作。
| 词组 | 用法 |
|---|
| often | I often go for a walk in the park.（我经常在公园散步。） |
|---|
| frequently | She frequently travels for work.（她经常出差。） |
|---|
| three times | I have visited that museum three times.（我去过那个博物馆三次。） |
|---|
| quite often | He comes to visit us quite often.（他相当频繁地来看我们。） |
|---|
| regularly | They meet regularly for coffee on Fridays.（他们每周五定期见面喝咖啡。） |
|---|
| repeatedly | The child kept asking the same question repeatedly.（孩子一再询问同一个问题。） |
|---|
| daily | She goes for a run daily.（她每天都去跑步。） |
|---|
| oftentimes | Oftentimes, people judge others based on appearance.（往往人们会根据外貌来评判他人。） |
|---|
| sometimes | Sometimes, I like to relax and watch movies.（有时候，我喜欢放松看电影。） |
|---|
| occasionally | We go out for dinner occasionally.（我们偶尔出去吃饭。） |
|---|
| seldom | He seldom goes to parties.（他很少去参加派对。） |
|---|
| rarely | I rarely eat fast food.（我很少吃快餐。） |
|---|
| once in a while | Once in a while, we treat ourselves to a spa day.（偶尔，我们会给自己放松一天。） |
|---|
| every now and then | They go on vacations every now and then.（他们时不时会去度假。） |
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