|ESL BLUE(s)||Troubleshooting must / have to|
Here are some of the most common errors using must, have to , preceded by their correct form:
|Correct Form||Common Errors|
You must get up early on the weekend.|
You have to get up early on the weekend.
|You must |
|Must, like other modal verbs (may, should, can, etc), is followed by the verb alone (without 'to').|
You have to / must get up early during the week.|
(= It's an obligation.)
You don't have to get up early on the weekend.
(= It's not an obligation.)
|You must get up early during the week but you ||
Must and have to can both express the idea of obligation but they don't have the same meaning in the negative. |
You mustn't do that means Don't do that.
You had to get up early last Sunday.
The past tense of both have to and must (obligation) is had to
You will have to get up early next Sunday too.||
You will ||
Use have to, not must after 'will,' 'may,' 'should' etc.