Present simple:
- most basic form of verb: I walk, we celebrate
- he/she/it: +s, he walks, Marion celebrates
- negative: don't/doesn't + entire verb: we don't like, she doesnt like
- question: do/does +entire verb: do you like holidays? Does Mo like holidays?
Past simple
- 2nd in row: the Canadians liberated, the king went to his people
- negative: didn't + entire verb: the Germans didn't win, the king didn't go to his people
- question: did + entire verb: did the Germans win? Did the king go to his people?