Pengertian Modal Auxiliaries dan Contoh Soalnya Dalam TOEFL

Modal Auxiliaries adalah kata-kata yang digunakan untuk menyatakan kemampuan, kemungkinan, izin, minta bantuan/kerja sama, nasihat, keharusan, larangan, dan kesimpulan logis. Pada umumnya, Modal Auxiliaries diikuti V-1 (Modal Auxiliaries + V-1).

Usage	Modal Auxiliary	Example
Ability (Kemampuan)	Can (present/future)	Bob can play piano. (Bob mampu bermain piano)
	Could (past)	When I was a child, I could run for hours. (Ketika saya masih kecil, saya mampu berlari selama berjam-jam)
Possibility (Kemungkinan)	May/Might (present/future)	It may rain tomorrow. (Mungkin hujan besok)

		It might rain tomorrow. (Mungkin hujan besok)
	Can (present/future)	Miracles can happen. (Keajaiban-keajaiban mungkin terjadi)
	Could (present/future)	A: Why isn’t Greg in class? (Mengapa Greg tidak ada di kelas?) B: I don’t know. He could be sick. (Saya tidak tahu. Dia mungkin sakit)

Permission (Izin)	May	A: May I borrow your book? (Bolehkan saya meminjam bukumu?) B: Yes, you may borrow it. (Ya, kamu boleh meminjamnya)
	Could	A: Could I borrow your book? (Bolehkan saya meminjam bukumu?) B: Yes, you could borrow it. (Ya, kamu boleh meminjamnya)

	Can (less formal)	A: Can I borrow your book? (Bolehkan saya meminjam bukumu?) B: Yes, you can borrow it. (Ya, kamu boleh meminjamnya)
Asking for help/coorperation	Would	Would you please open the door?
		(Bisakah kamu buka pintunya?)
(Meminta bantu/Kerja Sama)	Could	Could you please open the door?
		(Bisakah kamu buka pintunya?)

	Will (less formal)	Will you please open the door? (Bisakah kamu buka pintunya?)
	Can (less formal)	Can you please open the door? (Bisakah kamu buka pintunya?)
Advice (Nasihat)	Should	Your clothes are dirty. You should wash them. (Pakaian-pakaianmu kotor, kamu seharusnya mencucinya).
	Ought to	Your clothes are dirty, Your ought to wash them.

		(Pakaian-pakaianmu kotor, kamu seharusnya mencucinya).
	Had better	Your clothes are dirty, Your had better wash them. (Pakaian-pakaianmu kotor, kamu seharusnya mencucinya).
Obligation (Keharusan)	Have to	I have to study tonight. (Saya harus belajar malam ini)
	Have got to	I have got to study tonight. (Saya harus belajar malam ini)

	Must (strong obligation)	We must eat to stay alive. (Kita harus makan untuk tetap hidup)
Prohibition (Larangan)	Must not	Children, you must not play with matches! (Anak-anak, kalian tidak boleh bermain dengan korek api)
Logical Conclusion (Kesimpulan Logis)	Must	A: Nancy is yawning. (Nancy sedang menguap) B: She must be sleepy. (Dia pasti ngantuk)

Modal Auxiliaries dalam TOEFL

Latihan

Lengkapi kalimat-kalimat berikut ini dengan memberikan tanda silang (X) pada jawaban yang dianggap benar dan berikan alasannya! 

1. On the average, a healthy heart _________ to pump five tablespoons of blood with every beat. 

A. must B. ought C. can D. should 

Alasan:

2. Civil engineers had better ___________ steel supports in concrete structures built on unstable geophysical sites. 

A. include B. including C. inclusion D. included 

Alasan: 

3. Would you please _____________ the listening comprehension script until after you have listened to the tape? 

A. not to read B. not read C. don’t read D. don’t to read 

Alasan: 

4. The cones of pine trees ___________ two or three years to reach maturity. 

A. to take B. taking C. may take D. takes 

Alasan:

5. Even without strong wings, the ostrich has survived because it ___________ at high speeds to escape predators. 

A. to run B. can run C. running D. run 

Alasan: