动词句型有哪些?答:Time is dangerous. One thing is certain. A good plan must be a little flexible.注意: 用于这一句型的系动词主要有appear, be , become ,feel,get,go,grow,keep, look, prove , remain, seem,smell,sound,stay,taste 和 turn等。系动词appear ,seem 和prove 后面可加to be.Verb Pattern 3主语+系动...