have的过去式、过去分词和现在分词
现在分词： having
过去式： had
过去分词： had
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。
