Level6·Unit1·Part2·Listening·Talking-about-Verbs-1【英语流利说·懂你英语】
2019-02-25 14:41阅读：
Now that you're studying English at a highlevel, you need to
be able to talk about the langauage itself.
One of the biggest areas of confusion forstudents is the difference between the past tense and the present perfect.
The past tense is indicated by use of thepast tense marker, represented here by V sub d.
Here are some examples of regular verbs andtheir past tense forms.
So, as you can see, for regular verbs, thepast tense forms is indicated by the addition of an -ed at the end of the verb.
However, some of the most common verbs inEnglish are irregular, so it is important to learn them.
Here are some examples.
Altogether there are over 200 irregularverbs in normal use.
Many people think that the past tense formonly indicates past time.
However, that is only one of the possiblemeanings.
The past tense form is a
One of the biggest areas of confusion forstudents is the difference between the past tense and the present perfect.
The past tense is indicated by use of thepast tense marker, represented here by V sub d.
Here are some examples of regular verbs andtheir past tense forms.
So, as you can see, for regular verbs, thepast tense forms is indicated by the addition of an -ed at the end of the verb.
However, some of the most common verbs inEnglish are irregular, so it is important to learn them.
Here are some examples.
Altogether there are over 200 irregularverbs in normal use.
Many people think that the past tense formonly indicates past time.
However, that is only one of the possiblemeanings.
The past tense form is a