set up to do a special type of work 这里面的set并不是动词,而是过去分词,也就是非谓语动词.
把这个非谓语动词引导的短语变为定语从句应该是
An institute refers to an organization which is set up to do a special type of work
set up to do a special type of work 这里面的set并不是动词,而是过去分词,也就是非谓语动词.
把这个非谓语动词引导的短语变为定语从句应该是
An institute refers to an organization which is set up to do a special type of work