Yesterday at
I / freeze a chicken / yesterday at 5:00
I was freezing a chicken yesterday at 5:00
You / study english / for one year
You have studied english for one year
they/ hang their clothes / yesterday at 9:00
They were hanging their clothes yesterday at 9:00
she / lie / yesterday
She lied to her mother yesterday
my sister / not go to school / since March
My sister hasn't gone to school since March
your mother / cook / yesterday at 2:00?
Was your mother cooking yesterday at 2:00?
He / not feed the dog / last monday
he didn't feed the dog last monday
they / not eat pizza/ since one year ago
They haven't eaten pizza since one year ago