Irregular verbs and past simple

Choose the correct answer: Which is the past simple of KNOW?

• Knew

• Known

• Knowed

• Know

To swim, ______, swum

Which is the correct option?

• Maria didn't went to the cinema

• Maria didn't go to the cinema

• Maria didn't wented to the cinema

Which is the structure of a question in PAST SIMPLE?

When we use didn't, the main verb uses the present form or the past form (with -ED or 2nd column?

Laura didn't _________ Mario

• Forgave

• Forgiven

• Forgive

• Forgived

I ________ the cat in the alley

• seed

• saw

• seen

He ________ Dublin last year

• visited

• didn't visited

• visitted

• did'nt visit

Write the following sentence in the negative form: "We took John to the tower"

He ______ that in London

• boughted

• didn't bought

• didn't buyed

• didn't buy