形容詞補語 = 當 ad 副詞用
(1) 介詞片語 Prepositional phrase
(2) to V 不定詞片語 Verb phrase
(3) 名詞子句 noun clause

I am very surprised about the nomination. (prepositional phrase)
The little boy was eager for Christmas to arrive. (prepositional phrase)
Are you afraid of spiders? (prepositional phrase)
We were shocked by the news. (prepositional phrase)
It was wrong of her to leave. (prepositional phrase)
我對提名感到非常驚訝。
小男孩渴望聖誕節的到來。
你害怕蜘蛛嗎?
我們對這個消息感到震驚。
離開是她的錯。
We are eager to begin the school year.
He seemed pleased to meet you.
Some dogs are afraid to ride in cars.
Canadians are eligible to enter the giveaway.
I am content to read quietly all afternoon.
My coworker was nervous to bring up the problem during the meeting.
我們渴望開始新學年。
他似乎很高興見到你。
有些狗害怕乘坐汽車。
加拿大人有資格參加贈品活動。
我滿足於安靜地閱讀整個下午。
我的同事在會議期間很緊張地提出這個問題。
She was unsure how her parents would react. (noun clause)
My boss was anxious when sales fell. (noun clause)
I was delighted that she was chosen. (noun clause)
I am curious what color you picked. (noun clause)
I will be happy when I pass this class. (noun clause)
她不確定她的父母會作何反應。
當銷售額下降時,我的老闆很著急。
我很高興她被選中。
很好奇你選的什麼顏色 。
當我通過這門課時,我會很高興。
(資料來源)