Răspuns:
Present simple :
every month ,always ,at 3 o'clock,in the morning ,never ,occasionally,seldom,sometimes,twice a week ,on my birthday
Present continuous :
now ,right now ,today
Present perfect simple
already ,for three days ,since 8 o'clock,for 10 years ,just,lately ,since 1999,so far,this
Past simple
3 years ago ,ago,in 1997 ,last,in 2000,last Easter,last year,the other day