关于初三used there used to be a tall tree in front of our classr

there used to be a tall tree in front of our classroom,_____ 英语翻译1.There used to be a tall tree in front of our classroom there used to be a tall tree in front of the house.为什么要加be There used to be a big tree in front of the house.（改为一般疑问） There used to be a big tree in front of the house.把此句改成否定句怎么 there used to be a beautiful garden in front of the house,__ He used to be afraid to speak in front of a group同义句 He used There used to be a tall tree here,usedn't it?(哪里错了?） There is a tall tree ___ our classroom.a)in the front of b)i There stands a tall tree in front of our school gate there used to be river in front of the city didn't there?这句话 There is a tall tree in front of the house关于倒装句!