3. We will learn ...
• How to use “have to / has to”, and “don’t have to /
doesn’t have to”, to state obligation
4. have to / has to
ü have to / has to digunakan untuk
menunjukkan kewajiban untuk melakukan
sesuatu.
ü This is my medicine. I have to take it four
times a day = Ini obat saya. Saya harus /
berkewajiban meminumnya empat kali
sehari.
5. have to / has to
q You can take any snacks from the canteen, but you have to pay for
it.
q Students have to pray before the lesson begins.
q Abdul will observe stars. He has to use a telescope.
q Annabelle wants to have Facebook, so she has to create a
Facebook account.
The pattern is
S + have to / has to* + V1
6. Notes
ü have to digunakan untuk subjek selain orang ketiga tunggal (I, you,
we, they)
You have to wear a sport outfit for PE (Physical Education).
ü has to digunakan untuk subjek orang ketiga tunggal (he, she, it)
Via has toothache. She has to go to a dentist.
7. don’t have to / doesn’t have to
ü don’t have to digunakan untuk subjek
selain orang ketiga tunggal (I, you, we,
they)
We don’t have to go to school on Sunday.
ü doesn’t have to digunakan untuk
subjek orang ketiga tunggal (he, she, it)
Ken is piggybacking Sarah, so she doesn’t
have to walk.
8. have to / has to and must
q have to / has to dan must mempunyai makna yang sama.
ü People need food. People have to eat food.
ü People need food. People must eat food.
9. don’t have to / doesn’t have to vs. must not
• don’t have to / doesn’t have to dipakai untuk mengungkapkan sesuatu
yang tidak perlu dilakukan.
• must not dipakai untuk mengungkapkan sesuatu yang tidak boleh dilakukan
atau larangan (prohibition).
You don’t have to wear a watch to school, but you must not wear sandals.
Kamu tidak perlu memakai arloji ke sekolah, tapi kamu dilarang memakai sandal.
11. Sources
Azar, B.S. and Hagen, S.A. 2006. Basic English Grammar (3rd
Edition). White Plains: Pearson Longman
Murphy, R. 2000. Essential Grammar in Use (2nd edition).
Cambridge: Cambridge University Press
Swan, M. 1995. Basic English Usage. Oxford: Oxford University
Press