improve的过去式和用法例句

improve有改善;改进;提高等意思，那么你知道improve的过去式是什么吗?下面小编为大家带来improve的过去式和用法例句，供大家参考学习!

improve的过去式和其他时态：

过去式: improved

过去分词: improved

现在分词: improving

improve的用法：

improve的用法1：improve的基本意思为“改善,提高”,可指健康状况、环境、形势等,也可指具体事物,还可间或指人。强调部分地或某种程度上对客体加以修补改正,以提高到较高水平或使其更受欢迎。本词不用于坏的事物变好,也不用于变得十分完美,无以复加。

improve的用法2：improve用作及物动词时可接名词或代词作宾语,但不用于被动结构; 用作不及物动词时主动形式常含有被动意义。

improve的用法3：improve后常接反身代词表示“在知识或学问上有进步”,其后常接介词in。

improve的用法4：improve常和表示程度的副词连用。

improve的过去式例句：

1. Conditions for the poor in Los Angeles have not improved.

洛杉矶穷人的境况仍未得到改善。

2. Teachers inform me that Tracey's behaviour has improved no end.

老师们告诉我特雷西的行为大有改善。

3. Curiously, the struggle to survive has greatly improved her health.

奇怪的是，她拼命求生的抗争使得她的健康状况大有好转。

4. They are open to suggestions on how working conditions might be improved.

他们愿意就如何改善工作条件听取各种意见。

5. That improved Mrs Goole's already favourable opinion of him.

那件事更加深了古尔太太对他的好印象。

6. He had improved so much the doctor had cut his dosage.

他康复很快，医生已减少了用药剂量。

7. Saying she's improved comes over as a backhanded compliment.

说她进步了听起来倒像是一种讽刺。

8. Things improved when we got down to the specifics.

当我们深入到具体细节时，情况有所改观。

9. The improved trade figures have given the government fresh ammunition.

有所改观的贸易数据给政府提供了新的有力证据。

10. Air safety has not improved since the dramatic advances of the 1970s.

航空安全自从20世纪70年代得到显著提高之后，至今再没有任何改善。

11. Though mine safety has much improved, miners' families still fear the worst.

尽管矿井的安全状况有了很大改善，矿工的家属仍然害怕最糟的情况会发生。

12. This tangibly demonstrated that the world situation could be improved.

这清楚地表明世界局势是可以改善的。

13. They are making substantial claims for improved working conditions.

他们强烈要求改善工作环境。

14. Britain's balance of payments deficit has improved slightly.

英国的国际收支逆差已略有改善。

15. Britain's balance of payments improved modestly last month.

上个月英国的国际收支差额稍有改善。