1.This book includes a passage which deals with verb tenses.
这本书包括涉及动词时态的一章。
2.How many tenses have you learned?
你们学了几种时态？
3.Teacher: Today, we're going to talk about the tenses.
老师说：今天，我们要谈论时态问题。
4.All the past tenses are used to refer to past time.
所有过去时态用以描述与过去有关的时间。
5.It's also common in future and conditional tenses of verbs: donnerai = donn'rai; aimerais = aim'rais
在动词将来式和条件式当中它也较为常见：donnerai =donn'rai；aimerais =aim'rais。
6.The present and past perfect tenses both belong to the perfect tense.
现在完成时和过去完成时都属于完成时态。
7.This meant defining rules such as where nouns and verbs go in a sentence, which are the correct tenses and so on.
这意味着要定义在一个句子中名词和动词应该安排在什么位置，哪一个才是正确的重音等等。