ing的意思是“带来”,动词来的,动词都有过去式.动词分为规则动词和不规则动词,所谓规则动词就是变成过去式时有规律的动词,不规则动词一就是变过去式时没有规律的动词.规则动词变过去式的规律:一般在后面直接加ed,如walk-walked;以不发音e字母结尾的单词加d,如care-cared;以辅音字母结尾的重读闭音节双写该辅音字母再加ed,如stop-stopped;辅音字母加y结尾,把y改为i,加ed,如study-studied.不规则动词有很多,如take-took,bring-brought等,太多了,打不完. bring造句:He brings his new backpack to school. He brought his new backpack to school. 上面的东西全是我自己打出来的,希望采纳