这句英语句子中为什么是considered to be offensive 不是 considered offense

considered to be offensive 不是 considered offense 注意，以上2种表达方法是不同的 considered to be offensive =用来动词不定式作主语补足语的，说明主语的特征 （而且通常后面（to be )可省略的，也就是主语+ be considered （to be )+形容词做补语 considered offense 是个过去分词+名词=构成过去分词短语/词组；被认为/被看冒犯，无礼 另外，请看有关consider的详细用法： 物动词 vt. & 不及物动词 vi. 1.考虑 She paused a moment to consider. 她停下来考虑了一会儿。 We'll consider your proposal. 我们将考虑你的建议。 We should consider what to do next. 我们应考虑下一步该怎么办。 I am considering going abroad. 我在考虑出国。 及物动词 vt. 1.把…看作, 认为 He is greatly considered by his colleagues. 他深受同事们的尊重。 I consider that you are wrong. 我认为你错了。 I considered him as a politician. 我认为他是个政客。 We consider them to have been foolish. 我们认为他们的做法是愚蠢的。 I consider it useless discussing the matter with them. 我认为和他们讨论这件事没有用。 2.关心, 体谅, 顾及 He never considers others. 他从不为别人着想。 3.（尤指为作出决定而）仔细考虑，细想 4.以为；觉得 5.端详；注视 6.想，料想；断定 We considered that the young man was not guilty. 我们断定这个年轻人无罪。 7.注意；注视，凝视；打量 He considered the man for some time before speaking to him . 他打量了那人一会儿才跟他说话。 8.看重，尊重，尊敬 He is greatly considered by his colleagues. 他深受同事们的尊重。 根据以上consider用法，我们可以将其用法归纳如下 做考虑讲，可以接下面两种形式 （1） Condsider doing something (2) Consider +WH /特殊疑问词to do something 作认为将可以接下面的形式 (1） Consider sb as sth (2） Consider sb to be (（3）Consider sb to have done sth (4）Consider sb +adj （5）consider sth (6) consider +从句 希望你能明白，并及时采纳，谢谢！

1. consider的基本用法。 ①vt.考虑、思考。后接名词或动名词或疑问词+　不定式或从句。 e.g. We must consider it very carefully.我们必须认真考虑这件事。 We considered going to see the film.我们考虑去看这部电影。 He was considering how to do the work.他正在考虑怎样做这项工作。 He considered how he should answer the question.他考虑怎样回答这个问题。 ②认为，把……当作，后常接从句或复合结构。 e.g. He considered me(as)a friend.他把我当成朋友。 They considered me too young to do the work.他们认为我太年轻，不能干这份工作。 We considered him to be a good student.我们认为他是个好学生。 We considered him to have seen the film.我们认为他已看过这部电影。 ③consider用于被动语态中。 He is considered to have much experience.他被认为富有经验。 The situation there was considered to be very good.大家认为那里的形势非常好。 希望上面能让你明白，如果不能，请继续追问，谢谢！