“I think reading can let me be knowledgeable.” 这句话有语病吗

I think reading English every day can improve my study.为什么要用Reading?为什么“我 I”不是主语？ I think reading could enlarge my knowledge.为什么用 could 而不用can “I think reading can let me be knowledgeable.” 这句话有语病吗 --I think reading is good___you.--I think____. I think she is reading right now. I think reading could enlargemy knowledge.意思? I think reading this kind of book can beyond mine imagination 语法达人指教有什么错误 If i think i can i can if i think i can i can I think I can 造句 So I think I can I think you can have I think I can,so I I think I can.But I was I think speaking is more important as reading怎么改I think speaking is more important as reading。 think ，speaking，more important ，reading四个中改 I think reading English aloud helps.（同义句转换）I think reading English aloud —— （两个空） I think I can achieve them I think I can like you