用作定语
▲～+n.
 The premature baby is doing well.那个早产的婴儿很健康。
A fire caused the premature closing of the exhibition.火灾迫使展览会提前结束。
用作表语
▲S+be+～
 I think your criticism of the new law is a bit premature, as we don't yet know all the details.我认为你对这项新法律的批评未免太早了一点,因为我们还不了解全部细节。
The final word “goodbye” was premature.最后这个“再见”说得太早了。
▲S+be+～+to-v
The crop is too premature to harvest.庄稼尚未成熟,不能收割。
▲It is/was+～+to-v
It is yet premature to predict the possible outcome of the dialogue.预言这次对话可能有什么结果为时尚早。