Tense Signal words
affirmative negative interrogative
something happens repeatedly
how often something happens
always I work
. I don't work
. Do I work?
. He doesn't work. Does he work?
things in general
usually he/she/it + -s I go. I don't go. Do I go?
after the following verbs
seldom to hate, to think, etc.) He goes
. He doesn't go. Does he go?
future meaning: timetables,
first ... then
now I'm working
. I'm not working. Am I working?
something is happening
same time of speaking
or around it
at the moment He's working. He isn't working. Is he working?
Present to be (am/are/is) +
future meaning: when you have Infinitive + ing
Look! I'm going
. I'm not going. Am I going?
already decided and arranged to
do it (a fixed plan, date)
Listen! He's going. He isn't going. Is he going?
last ... I worked. I didn't work. Did I work?
... ago action took place in the past, Infinitive + -ed He worked. He didn't work. Did he work?
Simple mostly connected with an
Past expression of time (no connection