many kinds of後用單數還是複數

可數名詞用複數，不可數名詞用單數，例如：

1、Many kinds of insect find their mates by scent.許多昆蟲通過氣味找到交配物件。

2、Many kinds of animals have vanished from the earth.許多動物已從地球上消失了。

3、Many kinds of evidence are of no use in court.許多證據在法庭上並沒有用。