Combine should/ought to with the appropriate form of the infinitive in brackets while filling in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
should/ought to plus infinitive
We use should and ought to plus simple infinitive to express our opinion about what's right and wrong. - Drivers ought to (should) be more considerate to other road users. We can also use them for advice or criticism. -You really shouldn't be lifting heavy furniture at your age. Should/ought to in combination with continuous infinitive (terminative verbs) or with simple infinitive (durative verbs) can have the meaning of deduction. -It should be your house. To talk about the past, we use should/ought to plus perfect infinitive so as to suggest what happened in the past was wrong or unfortunate. -The Covernment ought to have listened. (=they didn't) -You shouldn't have worked so hard. (=you did)