Mustn’t & Don’t have to (Modal verbs)

Practical English Usage Lesson 27 mustn't and don't have to. bridger-jones.com

You can download these English lessons as fully navigable PDFs

Mustn’t (Must not) Don’t have to
Meaning Meaning
It is not allowed. It is prohibited, dangerous, inadvisable. There is no requirement or obligation. It is not necessary.
You must not eat that. You don’t have to eat that.
= You are not allowed to eat that. It is forbidden or dangerous. = You don’t need to eat that but you can if you want to.
You mustn’t talk to Bob. You don’t have to talk to Bob.
= Do not talk to Bob. You are not allowed to talk Bob. = You can talk to Bob if you want to, but it is not necessary.

Comment with Facebook/Twitter/WordPress (Click 'Change')

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s