点拨：{#blank#}1{#/blank#}意为"过去常常"，后面接动词原形，表示过去存在的状态或发生的动作，但现在不再是这样了。

如：我过去常常和我最好的朋友去钓鱼。   {#blank#}2{#/blank#}

注意：{#blank#}3{#/blank#}意为"习惯于做某事"，{#blank#}4{#/blank#}意为"被用于做某事"。

如：我的妈妈习惯于晚饭后散步。   {#blank#}5{#/blank#}

小刀被用于切物品。   {#blank#}6{#/blank#}

Shanghai is{#blank#}1{#/blank#} {#blank#}2{#/blank#}the{#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#}cities in China．

      Mary is 32 years old. ①she has two kids—a son and a daughter. Her son's name is Jack and her daughter's name is Lily. ②Jack likes sports. He likes playing basketball. ③ 他最喜欢的篮球运动员是姚明. He wants to be a basketball star too. Lily likes singing and playing the piano, ④ 她歌唱得很好。Lily wants to be a musician. ⑤Jack is in the basketball club and lily is in the music club. Mary really loves her to kind. 

① {#blank#}1{#/blank#}

② {#blank#}2{#/blank#}                    

③{#blank#}3{#/blank#}                     

④{#blank#}4{#/blank#}                   

⑤{#blank#}5{#/blank#}                      

She isn't {#blank#}1{#/blank#} {#blank#}2{#/blank#} others' personal things .

This girl is only four years old，and she is {#blank#}1{#/blank#}cute. (kind)