Adverb clause merupakan salah satu bentuk dari dependent clause yang dihubungkan oleh kata penghubung subordinate conjunction.
a. I will sign the contract before you live.
b. Before you live, I will sign the contract.
You live merupakan adverb clause yang dihubungkan oleh kata before (subordinate conjunction). Untuk contoh kalimat c salah karena adverb clause (before you live) tidak boleh berpisah dari kalimat lain. Perhatikan juga pemakaian komanya ketika adverb clause berada di depan kaliamat.
Berikut kata-kata penghubung subordinate conjunction yang biasa digunakan dalam adverb clause:
1. Time: when, whenever (kapanpun), while (selagi/ketika), since, after, before, until, as (selagi), once, as soon as (segera setelah), as/so long as (sepanjang), every time, the next time dll
a. Mary had wanted to be a nurse since he was young.
b. He maintained his interest in law until he was assassinated.
c. We worked as long as we could.
d. The people danced as the music played.
2. Contrast: although, though, even though, while, whereas dll.
a. Even though the weather is cold, I went swimming.
b. I went swimming although the weather is cold.
c. Paul is rich, while John is poor.
d. Whereas Paul is rich, John is poor.
3. Cause and effect (reason): as, because, since, now that, so … that, such … that dll.
a. Because I felt so sleepy, I went to bed earlier.
b. As you have already read the reading, you will be able to answer the questions.
c. Now that the semester is over, I’m going to rest a few days and then take a trip.
d. It was such nice coffee that I had another cup.
e. The coffee is so hot that I can’t drink it.
f. The native spoke so fast that I couldn’t understand him.
Perhatikan cara penggunaan kata so … that dan such … that:
· Such + adjective +noun + that
· So + adjective/adverb + that
4. Purpose: so (that), in order that, dll.
a. He wrote that memo in order that there would be no misunderstandings.
b. I always bring a book so that I can read it when I have free time.
5. Manner: as, as if, as though, like dll.
a. I will do as I have been instructed.
b. Betty looks as if something is wrong.
c. He acted as if he was the owner.
6. Place: where, wherever, everywhere dll.
a. I will meet you wherever you choose.
b. I have always lived where I was born.
c. Everywhere he goes, people admire him.
7. Condition: if, even if, only if, if only, even if, provided, unless, whether or not,
a. If the salary were high, I would sign the contract.
b. If only I had wings.
c. I will marry her only if she is dead.
d. I can’t attend the meeting unless I find a baby-sitter.
e. I won’t go swimming whether the weather is nice or not.