tell =>told

iron => ironned

get =>got

brush => brushed

change => changed

go => went

wash => wash

miss => missed

stay =>stayyed

write =>wrote

eat => ate

is =>was

are => were

work =>worked

do => did

have =>had

fill => filled

drink => drunk

start => started

stop =>stopped

give =>gave

take =>took

have =>had

fill =>filled

can =>could

call =>called

II.

DO:

Brush your teeth before going to bed

Dental examination every 6 months

DON NOT

Do not eat candies before going to bed

Don't forget to brush your teeth before going to bed

III.

I played soccer last week
I played the game last week

I did my homework last week

I played sports last week

I went to school last week 

I. tell--> told                                  iron--> ironed

   get--> get                                   brush--> brushed

   change--> changed                    go--> went

   wash--> washed                          miss--> missed

   stay--> stayed                             write--> wrote

   eat--> ate                                     is--> was

   are--> were                                  work--> worked

   do--> did                                     have--> had

   fill--> filled                                   drink--> drank

   start--> started                             stop--> stoped

   give--> gave                                take--> took

    have--> had                                fill--> filled

   can--> could                                call--> called

II. DO: + brush your teeth regularly every morning and evening.

           + should gargle after eating.    (gargle(v): súc miệng)     

           + drink many water avoid drinking soda.

           + see your doctor regularly.

   DON'T: + eat too much candy and sweet things.

                 + not smoking.

III. Last week, I went to with my friends with a library to read books and I had a enjoy time with them. After borrowing the book, we plan to study the lesson together. Do homework assigned by the teacher. Back home, I helped my mother cook and water the plants. I watched TV together with my family.