Modal Auxiliary

MODAL AUXILIARY

 

Present Form	Past Form	Meaning
will	would	akan
shall	should	akan/ harus
can	could	dapat
may	might	boleh
must	had to	harus
have to/ has to
had better	had better	sebaiknya
ought to	ought to	seharusnya

 

Please, remember ! after modal auxiliary + verb 1 (without "to" without "ing")

 

Let's see the samples of modal auxiliary in present form

	modal aux	verb 1
She	can	speak	Japanese well
We	must	pay	the school fee before 10 each month
Toni	has to	hand	the assignment on time
You	may	go	to the toilet
We	had better	discuss	this problem soon

 

To make Negative Sentences, that's easy. Generally, we only add"not" after modal auxiliary.

	modal aux	verb 1
She	can not / can't	speak	Japanese well
We	must not / mustn't	pay	the school fee before 10 each month
Toni	doesn't have to	hand	the assignment on time
You	may not	go	to the toilet
We	had better not	discuss	this problem soon

 

For Interrogative Sentences, put modal auxiliary in front of the sentences.

modal aux		verb 1
can	she	speak	Japanese well ?	Yes, she can
must	we	pay	the school fee before 10 each month ?	No, we mustn't
does	Tonihave to	hand	the assignment on time ?	Yes, he has
may	I	go	to the toilet ?	No, you may not
had	webetter	discuss	this problem soon ?	Yes, we had

 

Place the question words, if we want to express the sentences using Question Words. Let's see.

	modal aux		verb 1
What	can	she	speak	well ?	Japanese
When	must	we	pay	the school fee ?	before 10 each month
What	does	Tonihave to	hand	on time ?	the assignment
Where	may	I	go	?	to the toilet
When	had	webetter	discuss	this problem ?	soon

 

The use of MUST

1. LOGICAL INFERENCE
e.g	My daddy has been working the whole day, he must be very tired
2. PROHIBITION
e.g	Every student must not bring the mobile to school
3. OBLIGATION
e.g	The student must pay the school fee before 10 each month

 

The use of SHOULD

1. ADVICE / SUGGESTION
e.g	If you want to be a clever student, you should study hard.