1.
To grasp“ the Present Perfect” and the Irregular verbs’ past tense& past participle tense.
掌握现在完成时态以及不规则动词的过去时态和过去分词。
2.
How do you know you need to use the tense?
你怎么知道该使用一般过去时态了？有什么标志表现过去时态？
3.
Describe experimental results uniformly in the past tense.
描述实验结果一律要用过去时态。
4.
a term formerly used to refer to the simple past tense.
原来用来指简单的过去时态的术语。
5.
You must use the past tense here, I'm afraid.
恐怕在这儿你必须使用过去时态。
6.
Note the endings of these regular past tense verbs.
注意过去时态动词的结尾。
7.
No one assumes that these different features must occur in English.
那瓦霍语则有三或四种方式来表达过去时态。
8.
Implicit and Explicit Corrective Feedback and Past Tense Acquisition;
隐性和显性纠错反馈与过去时态的习得研究
9.
the preterit(e)tense
【语】过去时(态)
10.
the present,past, future, etc tense
现在、 过去、 将来等时态.
11.
the imperfect tenses in French
法语的过去未完成时态.
12.
Of, relating to, or being the verb tense that describes a past action or state.
过去时的描绘过去的动作或状态的动词时态的，和这种时态有关的
13.
A verb or form in the pluperfect tense.
过去分词过去完成时态下的动词或形式
14.
`Ihad finished' is an example of the past perfect.
“我过去已经完成了”是过去完成时态的一个例句。
15.
`I had been running' is an example of the past progressive.
“我过去一直在跑”是过去进行时态的一个例句。
16.
(grammar) a verb tense used to relate past action.
（语法）用于指示过去动作的动词时态的。
17.
the use of the present tense to describe past actions or states.
描写过去的动作或状态的现在时态的用法。
18.
a verb tense that expresses actions or states in the past.
表达过去的动作或状态的一种动词时态。