这句话有语法错误吗?There is no doubt that we can benefit a lot from these books when (we ) study English based on my own class experiences.when后面可以省we吗?

there is only one me in this world有语法错误吗这句话有语法错误吗 There is a football on the playground.这句话有什么语法错误吗? 这一句话有语法错误吗?there are also some local people work in my company.这句话有语法错误?there is some people? there is i.there is you.there is no us.这句话有语法错误吗?我在越狱里面看到的, 这句话有语法错误吗There is a debate about whether people watch movies about real life is only worth There are several reasons why it is important to learn basic skills.这句话对吗?有语法错误吗 Is there any difference between the time?extremely standardly这句话有语法错误没 All is well这句话有语法错误吗? which is the correct one?这句话有语法错误吗? you is a boy这句话有语法错误吗? Where there are wishes,there is always love.这句话有语法错误么,或者有其他错误么 这句话有语法错误吗 there is a discussion about the Internet whetherit is good or bad请问一下这句话有语法错误吗?如果有错误,应该如何改正? 这句话有语法错误吗?He is a man with warm heart.这句话有语法错误码? ”There is only two things in my life this year that is studying and playing football .“这句话有语法错误吗 there is much food for thought in the picture,one of which indicates that.这句句子有语法错误吗还有，这句话地道吗？ There are an increasing number of people who prefer to go by bike.这句话有语法错误吗?还有increasing前是不是得用are而不是is? Let`s discuss how can we get there.这句话有语法错误吗?