| 现在完成时 | 一般过去时 |
|---|---|
| She has just(现在完成时的标志) boiled an egg. | She boiled it a minute ago. |
| She has never been to China, but he was there in… | He painted it a week ago. |
| He has already painted that bookcase. | She emptied the basket this morning. |
| He has just dusted the cupboard. | He dusted the cupboard yesterday. |
