USED TO + INFINITIVE, BE USED TO, AND WOULD + INFINITIVE, USED TO + INFINITIVE, BE USED TO, AND WOULD + INFINITIVE

USED TO + INFINITIVE, BE USED TO, AND WOULD + INFINITIVE

When you want to talk about your habits in the past which you don't do in the present, you can use the expression “used to + infinitive”. You can also use “would + infinitive” to talk about your habits or your repeat actions in the past. But there is a difference between them.

We can also use “used to + infinitive” to talk about states in the past which are no longer true but we don't use “would + infinitive” to talk about it. In general, we usually use “would + infinitive” to talk about our habits in the past when we're telling story about the past. So we don't use it to talk about states in the past without time information.

Used to + Infinitive

(+) S + (used to + infinitive) + o.c
(-) S + didn't + (use to + infinitive) + o.c
(?) Did + S + (use to + infinitive) + o.c ?

Example :

  1. (+) She used to wake up early. (but now she doesn't wake up early)
    (-) She didn't use to wake up early.
    (?) Did she use to wake up early?
  2. (+) He used to eat cereal for breakfast.
    (-) He didn't use to eat cereal for breakfast.
    (?) Did he use to eat cereal for breakfast?
  3. (+) Your brother used to go to the movies.
    (-) Your brother didn't use to go to the movies.
    (?) Did your brother use to go to the movies?
  4. (+) My mother used to have long hair.
    (-) My mother didn't use to have long hair.
    (?) Did my mother use to have long hair?
  5. (+) I used to see my grandmother on monday.
    (-) I didn't use to see my grandmother on monday.
    (?) Did I use to see my grandmother on monday?

Note :
In negative and interrogative sentences, we use “use to” not “used to”.

Be Used to + Verb-ing

(+) S + (be used to + verb-ing) + o.c
(-) S + be + not + (used to + verb-ing) + o.c
(?) Be + S + (used to + verb-ing) + o.c ?

We use it to talk about things that we are accustomed to.
Example :

  1. (+) I am used to going to my school on foot, it is not too far for me.
    (-) I am not used to going to my school on foot, it is too far for me.
    (?) Are you used to going to your school on foot?
  2. (+) He is used to sleeping late at night, so he doesn't mind doing it.
    (-) He isn't used to sleeping late at night, so he gets hard doing it.
    (?) Is he used to sleeping late at night?
Note :
In negative an interrogative sentences, “Be Used to” doesn't change.

Would + Infinitive

(+) S + (would + infinitive) + o.c
(-) S + (wouldn't + infinitive) + o.c
(?) Would + S +  infinitive + o.c ?

Example :

  1. (+) When he was a student, he would go to library on friday.
    (-) When he was a student, he wouldn't go to library on friday.
    (?) When he was a student, Would he go to library on friday?
  2. (+) When my brother lived in Jakarta, he would send me a book twice a month.
    (-) When my brother lived in Jakarta, he wouldn't send me a book twice a month.
    (?) Would He send me a book twice a month?

Note :
We don't use would + infinitve to talk about states in the past, like :
They would live in Medan.
I would have long hair.
She would get a flat nose.

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