prepositions after adjectve

ashamed of sth:因為某事而慚愧
anxious about sth:因為某事而緊張不安
clever with/of sth:擅長於某事
keen on sth:熱衷於某事
pleased with sth:因為某事而開心
pleased at sth:對某事感到開心
used to sth: 曾經做某事(現在不做了)

Adjective + preposition

ashamed of = 羞愧, 羞耻
I felt so ashamed of you.
我真為你感到羞耻

anxious about = 為……擔心 (焦慮)
I was anxious about the children when they didn't come back home from school.
孩子們放學後没有回家，我非常擔心

clever with = 善于
She is clever with her pen.
她善于寫文章.

clever of = 聰明
It is clever of you to do so.
你那樣做真聰明.

keen on = 熱衷於(某事物); 喜愛(某事/某人) , 醉心于
He is keen on basketball.
他喜爱籃球

pleased with = 對...感到高興 (或滿意)
They were all very pleased with the news.
他們聽到那消息都很高興

pleased at = 為……而高興
Are you pleased at your daughter's success?
對你女兒的成功你感到高興吗 ?

used to = 習慣於〔某事物〕
I am used to eating out all the time.
我習慣在外面吃飯了
~ to 是 preposition

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used to (modal verb) = 過去常常
He used to smoke.
他過去常常抽烟

Note: ~ 這個 used 不是 adjective (形容詞), "used to" 是 modal verb