Writing with Tenses / Modal Verbs
Should, must and ought to
Should and ought to give advice; must expresses strong obligation. Must not prohibits; do not have to means there is no necessity.
Understand and use it
Should and ought to give advice; must expresses strong obligation. Must not prohibits; do not have to means there is no necessity.
Examples and a writing plan
You should rest.
You must follow the safety instructions.
We ought to help.
Common mistake to investigate
You should to rest.
Should takes V1 without to; ought to is a different pattern.
Use the rule now
Write helpful advice for a friend who feels unwell. Avoid diagnosing the illness.
Use this rule: write and correct
Try first. Hints become more specific after each attempt. Your attempts and corrections are saved with your existing writing progress.
From this rule to your writing
TRY IT YOURSELF
A quick check
A wrong answer is a chance to learn. Use the hint and try again.