This verbal form of English is a bit more complicated, because assimilate other forces that are more abstract aspects, such as irregular verbs for example.
The simple present is often used to referto actions that took place at a particular time in the past. In this case particles are used as yesterday (yesterday) or last year (last year).
She finished school last year -> finished school lastyear.
It also uses the past to actions that occurred in the past and who have completed, but does not mention the right time.
Who wrote That letter? -> Who wrote this letter?
To form the past we putthe verb in its past form, and here comes the difilcultad. First, we must distinguish two kinds of verbs regulars and irregulars. The latter, for its difficulty, leave it for an upcoming lesson andfocus on the regulars.
Rules for regular verbs
Regular verbs, to pass to the past, must end in-ed. This general rule, since there are EXCEPTION discussed next.
to listen (listen) -> Listened
Wejust have to add the d when the verb ends in e. and
to change (change) -> changed
If the last vowel of the verb is formed by consonant-vowel-consonant and consonant latter is where the accent falls, wehave to double that consonant. Also if the verb ends in l have to bend.
to stop (stop) -> stopped
to travel (travel) -> Travelled
Negation and interrogation of the past simple
To form simplequestions in the past we have to enforce the auxiliary to do in his past form, it did for all people of conjugation. The auxiliary verbs that do not need, like to have, be used nen past (irregular).
Didyou go to the party? -> Did you go to the party?
As shown in the example, the verb is present. This is because the auxiliary is the one that indicates the past, so the main verb is put into this.This must be taken into account.
To deny also use the auxiliary to do in its past form., Accompanying the main verb in the present. The auxiliary verb with the particle shrinks not.
I did not go to...
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