Ther are old bikes(改为单数形势的句子)thery

Ther are old bikes(改为单数形势的句子)thery there的单数形式在there be 句形里there are什么什么改单数 there are some old bikes under the trees.改单数 There are old bikes under the tree.改为单数句 there are old bikes under the tree（改为单数句) Are those yellow bikes old?（改成肯定句） Ther are three lights.(用three改疑问句） ther are alarm clocks (改写成单数形式） those　bikes　are　not　　theirs,改同义句those　　are　　not　　_______　　　___________ Look at （）（they）bikes.How cool!（）（we）are so old. 4.Ther are going to go to the park tomorrow(改一般疑问句 改否定句,一般疑问句1.Ther are going to clean the huts.2.Ther are going to collect rubbish.3.Ther are gonig to prepare breakfast.4.Ther are going to cook dinner.5.Ther are going to cut the grass.每句两个回答! They have many spotrs clubs.对many sports clubs提问.They play sports every morning.改为否定句.There are some old bikes under the trees.改为单数句.The balls are in the dresser.对in the dresser提问.Tom and Jack play computer games.改 （） are they? Ther are my parents. They are () bikes .They are theirs They are my old friends.(改单数句）______________________________. The old people are enjiying themselves改为同义词怎么改 Lingling and dandan are 10 yeares old.改否定句 They are riding bikes.一一一→改一般问句.Her sister likes drawing pictures.一一一→改一般问句.