focus有集中;调焦;聚焦;集中光束;等意思，那么你知道focus的过去式是什么吗?今天一起来学习一下focus的过去式以及focus的用法和例句，希望对大家的学习有所帮助!
focus的过去式及其它时态
focus的过去式:focused
focus的复数:foci
focus过去分词:focused
focus现在分词:focusing
focus第三人称单数:focuses
focus的用法和例句
1、It took an extraordinary effort to focus on preparing his classes or correcting his students' work.
备课和批改学生的作业花费了他很多精力。
2、This aggression is the real issue the world should be concerned about. We want to keep that in focus.
这次侵略才是世界应该关注的真正问题。我们想继续保持关注。
3、Pictures should be in focus, with realistic colours and well composed groups.
照片应该图像清晰，颜色逼真，构图合理。
4、Focus on the feeling of relaxation.
全身心体会放松的感觉。
5、The work should focus on helping parents to let go of their children.
工作应以协助父母放松对子女的管教为重点。
6、It seemed obvious from his report of that meeting that you were trying to focus suspicion on Mr Hirsch.
从他对那次会面的报告中可以明显看出你正把怀疑的焦点转向赫希先生。
7、His administration's economic policy would focus on reining in inflation.
他的政府的经济政策将侧重于控制通货膨胀。
8、If the camera is not brought into focus, the photo will be blurred.
如果照相机焦点不对准, 照片就会模糊.
9、Let's focus our attention on the main problem and not get bogged down in minor issues.
抓主要问题,不要被枝节问题牵掣住.
10、Their talks are expected to focus on arms control.
他们的会谈预计会集中讨论军备控制问题。
