"become"后面可以接以下词性：
形容词
It becomes hot in summer.
Everything will become easy.
The classroom became crowded.
The weather becomes warmer.
She becomes stronger than before.
名词
Tom will become a doctor.
They became friends.
He became a famous scientist.
作形容词用的过去分词
The sky became blue.
She became familiar with the city.
副词
They became lively.
The days are becoming shorter.
总结：
"become"主要用作连系动词，其后可以接名词、形容词或作形容词用的过去分词作表语。此外，"become"也可以跟某些副词表示状态的变化。在使用时，需要注意其搭配和语境。