Used to, would, be used to, get used to
You form the affirmative of used to with subject + used to + base form of the verb. Don’t use the infinitive or an -ing form.
You form the negative with subject + didn’t use to + base form of the verb. You can also use subject + used not to or never used to + base verb. Don’t use usedn’t to.
You form the interrogative with did + subject + use to + base form of the verb.
You use used to for things that happened in the past but don’t happen now.
You use would + base form of the verb. Don’t use the infinitive or an -ing form.
The children would collect stones and shells on the beach every summer.
The children would to collect…, or The children would collecting…
You use would for past repeated actions or habits. Don’t use would with state verbs. Use the past simple or used to instead.
I would often go to see my old English teacher.
I would have long hair… We would know each other well…
Be/get used to
You use be used to to say that someone or something is familiar to you. You can use be used to in the present and the past. Use a noun or an -ing form after be used to.
I’m used to getting up early in the morning. (I do it often.)
I was used to working long hours in my last job. (I often worked long hours.)
You use get used to to say that someone or something is becoming familiar to you. You can use get used to with all tenses. Use a noun or an -ing form after get used to.