My mother ________ to take me to the Great Wall if I passed the exam.请问答案是promised 为什么要用过去式.麻烦详细讲一下语法.

My mother bought me a new jacket同义句My mother bought_______ ________ ________ ________ _______ my mother t---- is english while my mother ________(cook).I am doing my homework. can not help2.Seeing my mother is busy,I can’t help ________ housework.I was busy with my work,so I can’t help ________ housework.A.do B.be doing C.to doing D.doing 英语翻译My mother always ________ me _________ housework. My mother buys a bike for me .（改为同义句）My mother _______ ________ ________ __________. 英语趣味智力问答1．The brothee of my father is my ______.2.The father of my mother is my________.3.The mother of my father is my________.4.The sister of my mother is my________.5.The daughter of my father`s brother is my ________.6.One day,t My mother doesn't tell me it My mother doesn't work at n_____ . My mother didn't d__________ housework yesterday. The brother of my father is my ________.Thesister of my mother is my __________. 介词填空1.A river flows ________ the towm.2.改错.(1)He enjoys to live in the city.________(2)My sister prefers with play after school.________(3)There desks and chairs aren't their.________(4)Because I am ill,so my mother does't go to work.____ 英语合并为一句My mother is very busy.She is cooking.My mother _______ ________. My father is a teacher.My mother is ________ a teacher. ________ my behaviour ,my mother agreed that……,填Being satisfied with 还是satisfied with My mother always has me ________(wash) my clothes.用括号里的词填空 my mother is bike doesn't work 改为同义句-------------my mother is bike 用dress,put on,wear,in填空.1.My mother often ________ my little sister.2.He ______ a cool T-shirt today.3.I am ______ white shirt.4.It is cold today,please __________ your sweater.