have的过去式、过去分词和现在分词

　　They have the support of most of the country.

　　他们有大多数国民的支持。

　　His family have been a very positive influence on him.

　　他的家庭对他有十分良好的影响。

　　The two groups of children have quite different characteristics.

　　这两组儿童具有截然不同的特点。

　　Now she won't have to go out to work any more.

　　现在她不必再出去工作了。