“Yesterday,I went to park,there are some trees."句中的are用得是否恰当

“Yesterday,I went to park,there are some trees."句中的are用得是否恰当 i went to the park yesterday.my classmate went there,too（否定句 1.I am taller than Tom.2.There are some trees in the park .改 Are there() trees and flowers in the park?用a,an,some,any填空 There are many trees in the park的同义句 went to park I bike by yesterday 连词成句 There are some flowers and trees in the park.对some flowers a Are there ( )多少 trees in the park There are ( )trees in the park There are some trees by the river.改为否定句 There are some trees near his house.(改为否定句) There are some trees near his house 改为否定句