look out ,please keep away from the fire,or your trousers will_____.这个空填get burn 还是burning

问题描述:

look out ,please keep away from the fire,or your trousers will_____.这个空填get burn 还是burning
请解释下原因

肯定是get burn的啦,这后边要是用burning就要加多一个be,be和get同属系动词,这里要用到一般将来时will do sth但是burn是不及物的所以前面要加系动词形成系表结构