she can see two birds .请问can的后面要加"s"吗?为什么不要加啊跟我讲明原因好吗?它可是第3人称单数哦

He can ______(see)two bird in the tree.(用括号内所给的动词的适当形式填空) She can see two birds in the tree.(画线部分是two)对画线部分提问 She can see some bird in the tree.Is your father at school and at home?句子改错 找出错误的选项并改正1.Can you get some oranges in the tree?2.There are some chicken on the place.3.I can't see a cat and a bird in the picture.4.I have two sister.One is a worker.The other one is a doctor.5.She can plays the piano. I can see two birds I can see two birds 改错：I can see a bird on the tree. I can.see.the bird改为否定句 They can see a bird in the tree对a bird提问 I can see a bird in the sky.I ___ ____ see a bird in the sky. Look!Can you see the bird in the tree?为什么填look、see? Can you see a bird in the tree?回答 No l cant see ------填空 we can see two bikes.对two进行提问 we can see two bikes.对two进行提问 选词填空 Once there was a bird made of stone.She liv选词填空 Once there was a bird made of stone.She lived in a place ____ two moun- 单词:become,sad,fly,between,see,countryside,but,sun,plant,over,near,find She said she _____ not see her son for another two years.can、could、may、might、must、ought.选哪个?为什么 根据上下文及首字母提示写单词,使短文完整、通顺.There are three trees near Wang Hong's house.One of t____ is big and the other two trees are s____ .In the big tree there is a bird .Can the bird s_____?Yes,she can.She sings w____.W l can see a bird in the tree.a bird划线,[划线提问】可以上传图片辅助说明问题