It is used to talk about facts which happened in an specific time in the past and which have ended.
These words generally appear in the Past Tense sentences...
- In 1800 (year in the past).
Subject + Verb In The Past + the rest of the sentence.
In the Past Tense, the conjugation of the verb does not depend on the subject.
There are 2 kinds of verbs
Regulars - Irregulars.
Add -Ed at the end of the verbs to conjugate them in the past form.
If the verb ends in -Y, we change it for -I + Ed, except in those Verbs with a Vowel before the -Y.
If the verb ends in -E, we just add -D at the end of it.
Play > Played.
Study > Studied.
Watch > Watched.
Cook > Cooked.
Change form and they appear in the 2° column of the irregular verbs list.
Karen studied really hard for the test.
(The verb Study is regular and ends in -Y, so it is changed by -I + Ed).
They went to the cinema last week.
(The verb Went is the past of the irregular verb "Go", as it appears in the 2nd column of the irregular verbs list).
My best friend met her boyfriend a month ago.
I liked football when I was a child.
Subject + Did Not + Infinitive Verb + the rest of the sentence.
In the Negative form, it is written the auxiliary Did Not (Didn't) before the Verb and it is written in Infinitive instead of being conjugated.
Karen didn't study really hard for the test.
They didn't go to the cinema last week.
I did not watch that movie yesterday.
She did not visit Canada in 1999.
Did + Subject + infinitive verb + the rest of the sentence...?
In the interrogative, it is used the auxiliary "Did" before the subject of the sentence. The verb is not conjugated, it is written in infinitive.
Did they clean the room yesterday?
Did Peter play volleyball when he was 7?
Did you listen to that song?