動詞的ing形式和動詞的過去分詞形式。表示從一種狀態到另一種狀態的變化，有become+動詞ing以及become+過去分詞兩種形式。系動詞詞義不完整，在句中不能單獨使用（除省略句外），後面必須接有表語，系動詞和表語一起構成合成謂語。

become加動詞什麼形式

become用作連繫動詞，意為“成為”，其後可接：

1.名詞

They became great friends.他們成了莫逆之交。

He aims to become a computer expert.他打算當一名電腦專家。

She has become a painter of distinction.她成了一名傑出的畫家。

2.形容詞

She became very fond of her.她變得非常喜歡她了。

He soon became angry. 他過了一會兒就生氣了。

She has become familiar with the house.她對這房子已變得很熟悉。

I’ve become used to a vegetarian diet.我已習慣於素食。

3.過去分詞

They had just become engaged.他們剛剛訂婚。

At last the truth became known to us.我們終於知道了真相。

The room soon became crowded.房間很快變得擁擠起來。

Jamie was becoming annoyed with me.傑米變得對我不高興起來。

其後一般不接不定式

誤：He became to be interested in biology.

正：He became interested in biology.他開始對生物感興趣了。

誤：Then we became to like him.

正：Then we began [came] to like him.於是我們開始喜歡他了。

become可以做系動詞，跟形容詞，構成系表結構，也可做實義動詞，後面跟名詞。

1/become釋義：

vi. 成為；變得；變成

vt. 適合；相稱

2/例句：

He became more and more mature after entering the workplace.

進入職場以後，他變得越來越成熟了。

3/become謂語動詞有：

become one成為一體，結合

become a member成為一名成員/會員

become of使遭遇…；…降臨於；發生…情況

become a doctor成為一名醫生

become extinct滅絕；絕種

become是謂語動詞。

Bank communications become more effective .
銀行的宣傳變得效果更強。

Home has become much less of a workshop .
家庭已遠遠不象一個作坊了。

The weather became finer and more settled .
天氣逐漸轉晴並穩定下來。

The fibers lose strength and becomebrittle .
纖維強度下降，且易斷。

Presumably reactive surfaces becameblocked .
反應表面可能被堵塞了。