The document discusses the difference between "have to" and "has to", explaining that "have to" is used to express obligation or necessity, like having to leave or having to do something. It provides examples of using "have to" in sentences and a practice section with blanks to be filled in using "have to" or "has to".

1. HAVE TO AND HAS
TO

2. “Have to” is used to
express obligation
(when something is necessary).
Examples:
We have to leave now.
You don´t have to come with us.
Do we have to go?

3. STRUCTURESTRUCTURE

6. EXAMPLES:EXAMPLES:
 You have to get a visa to go to the US.
 She has to lose weight or she’ll have health
problems.
 I don’t have to pay the phone bill till next week.
 He doesn’t have to catch the bus in the morning.
 Do you have to get up early?
 Does she have to buy the tickets?

7. LET’S PRACTICE:LET’S PRACTICE:
 They ______________ (write) a test.
 She ______________ (not clean) her desk.
 ________Ken and Liz ______ (learn) English words?
 Andy ______________ (help) his brother.
 We ______________ (not do) our homework.
 ________ He ________ (write) with a pencil?