There were also some singers in Valley Park.（改为否定句） There we

There were also some singers in Valley Park.（改为否定句） There we There were also some singers in Valley Park There are some people in the park 改为否定句 There are some apples in the park [改为否定句】 there were some tigers in the mountains.(改为否定句) there were some people in the street改为否定句 there were some knives in the basket.改为否定句 There were some nranges in the fridge.改为否定句 there is also a big park in our town centre改为否定句 There were some students in the classroom(改为否定句） There were many trees in this park(改为否定句句) there are some bird in tree（改为否定句）