The cat's eyes are green
答：少了句號.
改：The cat's eyes are green.
It's ten to nine p.m John is in Suzhou ,he is studying English now
答：少了句號.兩句之間用and并列,或用分號也可以,逗號不能連接兩個句子.
改：It's ten to nine p.m.John is in Suzhou.He is studying English now.
或：It's ten to nine p.m.John is in Suzhou and he is studying English now.
或：It's ten to nine p.m.John is in Suzhou ; he is studying English now.
John usually study English at nine o'clock in the evening
答：少了句號.主語為第三扔稱單數(shù)時,一般現(xiàn)在時,謂語動詞用S形.
改:John usually studies English at nine o'clock in the evening.
Beijing is the capital of China
The book is not hers
答：少了句號.
改:Beijing is the capital of China.
改:The book is not hers.
Are these books yours?
對!
I will come here this week
答：1.少了句號.
2.時態(tài)與時間狀語this week 不配.這個星期,包括周一到周日的時間.不是純將來的時間,有純將來時態(tài)不妥.
3.這個come here 用在“我”上,不合邏輯.因為你就在這兒,還說將來這兒嗎?
改：I will come here again next week.下個星期我還要來這里.
樓上的幾位是在鼓勵你.其實,標點符號,大小寫也是很重要的,有時,不同的標點,大小寫的不同,會有不同的意思,這也是語法.從一開始就要注意.