Used+to

Used to do We use **used to do** to talk about the past. It is not a tense but it is like a tense. It is a special expression. We use the expression **used to do** for the past only. Do not confuse **used to do** with with the expression [|be used to]. They have different meanings.

Structure of Used to do
The structure is:
 * || **subject** || auxiliary
 * did** || **not** || main verb
 * use** || **infinitive** ||
 * **+** || I ||  ||   || use**d** || to do. ||
 * **-** || I || **did** || not || use || to do. ||
 * **?** || **Did** || you ||  || use || to do? ||


 * Used** or **use**?
 * when there is **did** in the sentence, we say **use to** (without **d**)
 * when there is no **did** in the sentence, we say **used to** (with **d**)

Use of Used to do
We use the **used to do** expression to talk about: Look at these examples. [] =Used to=
 * an activity that we did regularly in the past (like a habit)
 * a situation that was true in the past
 * |||||| I **used to** smoke. ||
 * past || present || future ||  ||
 * past || present || future ||  ||
 * **the past** || **the present** ||
 * She **used to** work in a shop. || Now she works in a bank. ||
 * He **used to** watch a lot of TV. || Now he doesn't watch much TV. ||
 * They **used to** be married. || Now they are divorced. ||
 * There **used to** be a cinema here. || Now there is a supermarket here. ||
 * I didn't **use to** go swimming. || Now I go swimming. ||
 * Did you **use to** smoke? ||

Form
I did not use to do You did not use to do He/she/it did not use to do We did not use to do You did not use to do They did not use to do Did I use to do? Did you use to do? Did he/she/it use to do? Did we use to do? Did you use to do? Did they use to do?
 * Affirmative**
 * I used to do**
 * You used to do**
 * He/she/it used to do**
 * We used to do**
 * You used to do //(pl.)//**
 * They used to do**
 * Negative**
 * Question**

Functions and examples
I **used to have** a dog when I was a child. I **used to used to do** football every weekend but I don't have time now. I **didn't use to like** action films, but I do now. I **never used to like** spinach, but I love it now.
 * We use //'used to'// to talk about habitual or regular actions or states in the past that are now finished.**
 * Did** you **use to go** swimming when you were at school?

Important points
When I was young I **used to go** fishing with my father every summer. When I was young I **would go** fishing with my father every summer.
 * We can also use //'would'// to talk about habitual actions in the past, but not to talk about past states.**

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