vart是什么词性英语

vart是动词词性英语，单词有see，hear，例如：

1、He could hear someone moving around in the room above.他能听到楼上屋里有人走动。

2、It was three weeks later that he heard the news.三个星期之后他才听到这个消息。

3、Many's the time I heard her use those words.我不止一次听她说过那样的话。