句子结构 I cannot run fast.

句子结构 I cannot run fast. I run fast的句子结构是什么? I cannot run fast.I run ___ than all the other students in my class. I cannot run fast.I run ___ than all the other students in my class. I am something that can run but cannot walk.What am Don't run too fast 分析句子结构 i set up a new system,but the word fond is very ugly,and i cannot find the shu ru fa ,how can i do it she is able to run faster than I am.帮我分析这个句子的结构成分,包括主谓宾定状补.还有怎么理解这个句子的“I am“；为什么不是she is able to run faster than me?先帮我分析下这个句子的结构成分, 语法结构?看到很多,类似Working on this,he run rapiedly.,这样的句子是什么结构? I perfer swim to run.这个句子正确吗、 cannot 有什么结构用法? I am very tired so that I cannot walk.这个句子怎样停顿,怎样读 I cannot forget I cannot help myself if i cannot help I cannot bear it. I cannot hear why...i cannot be