I busy doing homework.busy后一定要加ing么

I busy doing homework.busy后一定要加ing么 be busy with 后加名词,后面可以加动名词吗?比如说,i'm busy with doing my homew I'm busy doing my homework 对doing my homework 提问 分析一下句中的语法,比如：I am busy doing my homework.be busy doing sth:忙 Tom is busy doing his homework. what are you busy ( ) i'm busy ( )my homework 四选择填空 16.________make any noise.I’m busy doing my homework.. I am busy doing my homework 用的是什么语法形式 busy的用法be busy with后面加什么词be busy in doing与be busy with doing I am busy __(do)my homework. Last Saturday I was busy ( ) my homework . I'm busy ______(do)my homework