现在完成时

E.g. Howard Carter is one of the most famous explorers the world has ever known .

现在完成时，在这句话中迄今为止Howard Carter仍然是一位著名的探险家。

And this semester, we have learned the past tense, the past perfect tense and the future tense and so on.

这个学期，我们学到了过去时，现在完成时，过去完成时和将来时等。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。