是I went to the shop

是I went to the shop i went to the shop ,but it didn't open.主句是哪一句? i went to the toy shop一般疑问句 I went to the toy shop.变为一般疑问句 I went to the shop with my sister 改为否定句 I_ _to the shop with I went to a toy shop yesterday. i went to a shop.go back This morning,I went to the shop and change the coat I bought I went to the library rather than go to the shop= 短文改错One night,I went to a store to buy the shirt.The shop as i went to the shop to buy some souvenirs为什么用to buy I went to the shop to buy some soubenirs.为什么不用bought而用to buy