early的副詞形式是什么?

　　例句

　　1.I knew I had to get up early.

　　我知道我得早起。

　　2.She was in her early teens.

　　她正值豆蔻年華。

　　3.She arrived early to secure a place at the front.

　　為了能占個靠前的位置，她提早到了。

　　4.It's too early to declare his efforts a success.

　　現在就斷言他的努力已經獲得成功還為時過早。

　　5.The early indications look encouraging.

　　開初的跡象看起來令人鼓舞。