| 1. | The verb must be in the present perfect tense
动词必须用现在完成时态。 |
| 2. | The boy reply to his teacher was bordering on rudeness .
那男学生回答教师的问话时态度近乎粗鲁。 |
| 3. | Practice tenses as much as possible . when you learn a new verb , learn its various forms .
尽量练习时态，当你学到一个新的动词时，要学它不同的形态。 |
| 4. | " recently " has the widest use , in positive and negative statements and questions , with the past tense and the present perfect tense
“recently”用法最广，可用于肯定式陈述句、否定式陈述句及疑问句中，与过去时态和现在完成时态连用。 |
| 5. | By the way , you should attach importance to the tense
但要注意时态等语法问题。 |
| 6. | Preventing common bugs with temporal logic assertions
用时态逻辑断言防止常见错误 |
| 7. | Temporal logic can help make these assertions
时态逻辑可以帮助产生这些断言。 |
| 8. | Assertions and temporal logic in java programming
Java编程中的断言和时态逻辑 |
| 9. | When we heard this news , we could help worrying him
你的更简便，但不知时态哪个好？ |
| 10. | Can you conjugate " to have " in all its tenses
你列得出动词have的所有时态变化吗？ |
