Present Simple:I/you/we/they work there -> I/you/we/they DON'T WORK there (don't + hele ww)
He/she/it works there -> He/she/it DOESN'T WORK there (doesn't + hele ww)
Auxiliaries (Hulpwerkwoorden):
can/could/shall/should/will/would/must/may/might/is/are/was/were/has + volt. dw / have + volt. dw -> won't/wouldn't etc.
Past Simple:
I/you/he/she/it/we/they worked there -> DIDN'T WORK there (didn't + hele ww)
Present Perfect:
he/she/it HAS DONE a great job -> HASN'T DONE (hasn't + 3rd form/verb + ed)
I/you/we/they HAVE WATCHED the news-> HAVEN'T WATCHED (haven't + 3rd form/verb + ed)
Past Continuous