boost做动词有提高;增加;鼓励;举起等意思，那么你知道boost的过去式是什么吗?下面跟着小编一起来学习一下吧。

boost的过去式和其他时态：

过去式: boosted

过去分词:boosted

现在分词: boosting

boost的用法：

boost的用法1：boost用作动词的基本意思是“向上推起,提升”,

boost的用法2：指给某人或某物一个向上的力,使其在原有的水准上升高; 也可指使价格等上升,即“增加,提高”。

boost的过去式例句：

1. The shop's new look has boosted its takings considerably.

焕然一新的店铺大大提高了销售额.

2. The boy had to be boosted up onto the large horse.

那男孩必须让人托着才能骑上那高头大马.

3. Mark boosted his cousin into a better job.

马克吹捧自己的堂兄,使他得到较好的工作.

4. The morale of our troops was greatly boosted.

我军士气大振.

5. Morale should be boosted , not dampened.

气可鼓而不可泄.

6. The crowd boosted the morale of the runners.

人们为赛跑选手们加油助威.

7. The company has already boosted its share of the UK tea market with its round tea bags. Now it is successfully converting the nation to (horror of horrors) instant tea.

该公司已经凭借其袋泡茶提高了自己在英国茶叶市场的占有份额。现在它正在成功地使该国人民改喝(最可怕不过的)速溶茶。

8. Scientists boosted crop yields by crossbreeding related plants that add desirable traits.

科学家通过加入理想性状的相关植物杂交来增加作物产量.

9. The immunity achieved is generally brief and must be boosted.

所获得的免疫性一般是短暂的,须激发注射.

10. The government boosted security precautions.

政府加强保安预防措施.

11. The unexpected win boosted the team's morale.

意外的胜利鼓舞了全队的士气.

12. The company boosted its sales this year.

这家公司使今年的销售量增加了.

13. Television advertising boosted their sales.

电视广告促进了他们的销售.

14. Mourinho later boosted Blues owner Roman Abramovich with an upbeat assessment.

穆里尼奥随后(讲出了)让蓝军所有者阿布信心大增(的话).

15. The new assembly line boosted production by twenty percent.

新的装配线增加了20%的生产.