Passive voice with modals

They should finish the project by next week.

People must clean the streets regularly.

They can complete the task in two days.

They may repaired the bridge last week.

They could deliver the goods yesterday.

You must submit the report before Friday.

We can solve the problem with the right tools.

They should sign the contract at once.The contract should have been signed

People ought to respect the rules in this area.

They might fix the computer by tomorrow.