It was normal for me to go for a walk before work. (used)-> I........ When my mom was a teacher, she often used to go home quite late. (would-> ưhen my mon was a teacher,.... He often speaks in public. (used-> he...

`1` I used to go for a walk before work .

`-` S + used + to V-inf + O ... : Ai đó đã từng làm gì ...

`2`  When my mom was a teacher , she would often go home quite late .

`-` When + S + V(quá khứ) + O , S + would/could + V-inf + O ... : Khi ai đó đã làm gì , ai đó đã có thể làm gì ...

`3`  He is used to speaking in public .

`-` S + be/get + used to + V_ing + O ... : Ai đó đang làm quen làm gì ...