动词为什么要加s或ing,有些又用原词.关于这些一般现在时,现在进行时等等的写详细点.例如he gets well and wants to go to work.she helps her mother to do housework on weekends.tom heips me with my English.his father goes to work at 8 o'clock every day.
问题描述：
动词为什么要加s或ing,有些又用原词.关于这些一般现在时,现在进行时等等的写详细点.
例如he gets well and wants to go to work.she helps her mother to do housework on weekends.tom heips me with my English.his father goes to work at 8 o'clock every day.
答
第三人称单数的现在时态中动词后面加s,例如he she it
动作现在进行动词后面加ing,所有人称都如此.
第一、二人称用动词原形,比如I you