主動的名詞寫法可以用 initiative（聽發音）來表示，如果要描述主動去做某事情可以用「take the initiative to + 受詞」的結構來表示，單純的用 take the initiative 也可以表示採取行動。
主動的英文造句練習
I am a very active person.我是個很主動的人。
If you do not take the initiative, how have the chance to know her?
如果你不主動，怎麼會有機會認識她？
Foreign children are taught to take the initiative to express their opinion.
外國的小孩被教育要主動發表自己的意見。
Sometimes active to express yourself is very important.
有時候主動的表達自己是很重要的。
ABS is an active safety equipment of the car.
ABS 是汽車的主動安全配備。
My daughter will active to help sort out the house.
我女兒會主動的幫忙整理家裡。
I hope that tomorrow you can active to offer complete business case.
我希望你明天能主動提出完整的企劃案。
Successful people are very active pursuit of their dreams, on the contrary, the loser always passive.
成功的人都很主動的追求自己的夢想，反之，失敗者總是被動。