初二英语时态复习专项练习动词填空:1.I______(be not) a middle school student.2.She ____(be) in Class Six ,Grade One .We____be) all Youg pioneers.4.Sam and I________(be) in different classes .5.There ___(be) a map on the wall. 6. There _____(be) some boats in the river.7.There__________(be) a pencil-box and some books in the bag .8.There__________(be) two bikes and a car near the house.9.I can ___________(see) some flowers on the table.10. You must__________(find) those things. 11. ______ y..