buatlah 3 kalimat yg menggunakan used to dalam bahasa inggris !

We used to have picnic on the friday but now we have picnic on sunday

I used to go on motorcycle at school, but now i goes to school by bus

I used to drink seven litters a day, but i drinking twenty litters a day

(+) i used to teach at SD
(-) i didn't used to teach at SD
(?) did you use to teacg at SD?