Would and used to – past habits and repeated actions

Used to do

Repeated actions in the past

We can use used to + infinitive to talk about things that we did repeatedly in the past.

• When I was a child, I used to go skiing every winter. 
• From the age of 12 till I was 16, I used to dance at weekends. 

Situations or states that are no longer true

We can use used to + infinitive to talk about situations or states (stative verbs) which were true in the past, but they are no longer true.

• As a child I used to be blond. 
• I used to live with my mum when I was a child.

Would do

Repeated actions in the past

We can also use would + infinitive to talk about things that we did repeatedly in the past.

• When I was a child, we would go to the shopping centre every Saturday. 
• My 5th grade teacher would tell me to shut up at the beginning of every class.

Situations or states that are no longer true

We cannot use would to talk about situations or states (stative verbs) which are no longer true.

• I used to be blond as a child. (NOT I would be blond as a child.)
• I used to live with my mum when I was a child. (NOT I would live with my mum.)