My mother was busy cooking这是过去进行时,为什么句子不是be+ving

My mother was busy cooking这是过去进行时,为什么句子不是be+ving My mom was busy cooking dinner这句话时过去进行式吗? i was doing my homework while my mother was cooking不是一个句子不能有 My mother was in the kitchen,句中was是be动词的过去时,翻译时,要怎么翻译? i was doing my homework while my mother (was cooking)为什么不填co My mother was cooking at that time? My mother is cooking dinner.对cooking dinner进行提问 be busy doing是busy的一个搭配,句子中is是谓语动词,busy是形容词,cooking是动名词 be busy with与be busy doing如何替换 Tom's mother is busy cooking when got my home ,my mother was cooking in the kitchen为什么一定要 While my mother was cooking,I was sleeping 这句话中While my moth My father was reading newspapers__my mother was cooking 填whe