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Tense of Verbs - Thì của Động từ ppsx
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Tense of Verbs - Thì của Động từ
The word tense comes from the Latin word, tempus, which means "time." The
tense of a verb shows the time when an action or condition occurred. In English
the tense also may provide emphasis and may determine whether or not an action
or condition was continuous or repetitive.
There are fourteen tenses in modern English.
There are three basic tenses: past, present, and future. They show whether a
simple action or condition occurred, occurs, or will occur in the past, present, or
future.
There are three perfect tenses: past perfect, present perfect, and future perfect.
They show whether an action or condition had occurred relative to the past, has
occurred relative to the present, or will have occurred relative to the future.
There are six progressive tenses: past progressive, present progressive, future
progressive, past perfect progressive, present perfect progressive, and future
perfect progressive. They show a continuous action or condition that was
occurring in the past, is occurring in the present, will be occurring in the future,
had been occurring relative to the past, has been occurring relative to the present,
or will have been occurring relative to the future.
There are two emphatic tenses: past emphatic and present emphatic. They
provide emphasis especially in questions and negatives for actions or conditions
that did occur in the past or that do occur in the present.
In the above explanations the verb to occur was conjugated in each of the fourteen