Dalam bahasa Inggris kita sering menemui kata-kata untuk mengekspresikan sesuatu yakni modal. Salah satu ciri khasnya adalah selalu diikuti oleh kata kerja bentuk pertama. Kecuali pada kalimat pasif, maka diikuti oleh be+V3 atau past participle. Untuk lebih jelasnya bisa dibaca dalam ringkasan berikut ini.
Study the summary below.
The use and meaning of modals:
a. Can and could are used to express ability. Could is the past form of can.
When I was a child I couldn’t take a bath alone, but now I can.
b. Sometimes, could is used as a polite remark in a request.
Could you do me a favor? It is more polite than “Can you do me a favor?”
a. Might, which is used to express permission, is the past form of may.
Sir, why may I not go home earlier now whereas yesterday I might do it?
b. When may and might express possibility, both refer to either now or future time.
Their difference lies in the degree of probability; when we use might we refer to something less possible to happen, while may refer to a more probable thing to happen.
a. She may come late because of the traffic jam.
b. Even though she is a rich girl, she might not have money to buy a new car because she drives an old car.
3. should/had better
The modal should and had better are used to express:
a. A suggestion/an opinion/advice
Iwan should/had better study. (It is a good idea if Iwan studies tonight)
Example: My check should arrive next week. (I hope that the check will arrive next week)
The modal must is used to express:
a. An obligation/a necessity
An automobile must have gasoline. (It is obligatory for an automobile to have gasoline to run)
b. A logical conclusion
The grass is wet. It must have rained.
Is used to:
a. To express the activity/ situation in the future
Dian will come here immediately.
b. To express polite request/invitation
Will you help me?
c. To express promise
I will do better in the test.
6. would/ought to
a. Would, in addition to the past form of will is used to express past habits
I would play in the rain when I was a child.
b. Used to express habitual or repeated action in the past. It can also be used to describe a state or situation in the past that no longer exists.
I used to walk to campus when I was a student.
Write the correct modal auxiliary in the bracket!
1. John ………(can/could) speak Spanish.
2. My grandmother ……….(could/can) speak seven languages.
3. My sister ……….(can/could) play tennis now.
4. The doctor………(must/might) get her as soon as he can.
5. She………..( might/may) be my advisor next semester.
6. ……..(might /may) I leave class early?
7. My cocker spaniel …………(ought to/would) weigh a ton if I let her eat what she wants.
8. A good mother ……..(ought to/would) love her children.
9. Simon …….(will/shall) leave for Poland tonight.
10. He (will/shall) go to school!