maintain有维持，保持;坚称;维修，保养;供养;等意思，那么你知道maintain的过去式是什么吗?今天一起来学习一下maintain的过去式以及maintain的用法和例句，希望对大家的学习有所帮助!
maintain的过去式及其它时态
maintain的过去式:maintained
maintain过去分词:maintained
maintain现在分词:maintaining
maintain第三人称单数:maintains
maintain的用法和例句
1、He should pay and maintain you as well.
他得给你钱，还得供养你。
2、How can we maintain control of spending?
我们如何保持对开支的控制？
3、...a tough campaign to force authorities to maintain roads properly...
迫使当局妥善维修道路的艰难斗争
4、to maintain prices (= prevent them falling or rising)
维持价格的稳定
5、He has maintained that the money was donated for international purposes...
他坚称这笔捐款将用于国际用途。
6、The house costs a fortune to maintain...
维修这幢房子花销不菲。
7、How can you maintain a family on $900 a month?
每月900美元怎么能维持一家人的生活？
8、The idea is to maintain the regularity of the heartbeat.
问题就是要维持心跳的规律性.
9、...the basic costs of maintaining a child.
抚养一个孩子的基本费用
10、The men maintained (that) they were out of the country when the crime was committed.
这几个男人坚持说案发时他们在国外。
