I think it necessary to buy a big English-Chinese dictionary.要加“is",

问题描述:

I think it necessary to buy a big English-Chinese dictionary.要加“is",
necessary不是形容词吗?怎么会加在名词”it“后面,不用加be动词吗?那如果加be动词句意会有变化吗?

不要加.加be,语法没错,意思没变,但很少有人这样说.think it +形容词是一习惯用法、固定了,例:我认为买本英汉大词典是值得的,英文为:I think it worthwhile to buy a big English-Chinese dictionary.;我认为多运...