| 过去完成时 had + done | I had worked here for 10 days by last month. |
| 现在完成时 have/has + done | I have worked here for 25 days by now. |
| 将来完成时 will have + done | I will have worked here for 30 days by next week. |
短语动词 look
- We are looking forward to celebrating the Spring Festival. 期待
- Look out! A bus is coming. 小心
- I don't understand this word. I shall look it up in a dictionary. 查阅
- Don't forget to look me up when you return. 拜访