consider作“考虑”解，常用于以下句型

1. consider+名词代词励名词。

You'd better consider my suggestion.你最好考虑我的建议。

I'm considering going abroad someday我一直考虑有一天出国。

2. consider+从句或“疑问词+不定式”。

Have you considered what he suggested你们考虑他的建议了吗?

We must consider what to do next.我们必须考虑下一步要做什么。

consider作“认为”解时，常用于以下句型

1. consider sb /sth.+.（as）+形容词名词。其中,as可以省略。

We consider him honest.我们认为他很诚实。

At first they considered me as a doctor.起初他们认为我是医生。

2. considers /sth.+不定式。其中，不定式通常是to be(可以省略)或+动词的完成时。

We consider this matter to be very important.我们认为这件事很重要。

We all consider him to have stolen the bike.我们都认为他偷了自行车。

3. consider+i+形容词名词+不定式短语。

We consider it hard to study English well.我们认为学好英语很难。

consider it my duty to help you with your studies.我认为帮助你学习英语是我的职责。

consider+宾语从句。

We consider that the music is well worth listening to.我们认为这首音乐很值得一听。