There are many boys on the river（变否定,一般疑问）

There are many boys on the river（变否定,一般疑问） there are many boys and girls on the playground.改为否定和疑问 小学英语的句型转换1.There are many boys and girls on the ground.(一般疑问 "There are many fish in the river"变一般疑问句 There are many boys playing footballs on the playground_____ there are some boats on the river改成否定句 There are many trees on _____ side of the river. How many boats are there on the river?是什么意思 There are many trees on either____(side)of the river. There are many trees on [ ] side of the river. There are many fish in the river.(改为一般疑问句） I am playing the there are many books on my desk变一般疑问句