To Use, To Spend
transitive verb, godan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means use so the verb version is to use. If you're talking about money, this can also mean to spend.
つかう
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you: Two cars (つか), are what you have to use because you're so huge you don't fit into one. You've got a British car on your left and an American car on your right, and you're driving them both at the same time.
私たちは、毎日電気を使います。
We use electricity every day.
知っている活用形を全て使って文を作って下さい。
Use all of the conjugation forms you know to create a sentence.
今日は青森県のリンゴを使ってパイを作りたいと思います。
Today, I want to make a pie using apples from Aomori Prefecture.