Should / Shouldn't
Use it for soft advice or a recommendation.
Rule
After should/should not, use the base form of the verb. The form does not change by subject.
Formula
| Positive (+) | Subject + should + V1 | You should sleep more.He should see a doctor. |
|---|---|---|
| Negative (-) | Subject + shouldn't + V1 | You shouldn't eat so much sugar. |
| Question (?) | Should + subject + V1? | Should I call him?Should we go? |
Notes
- The form does not change - no -s in the third person