I．Purposes
判断是一切生物最本能的心理活动。人的生存和发展就更离不开判断。
在瞬息万变的信息时代，我们每天所面临的判断非常多。领导者对国际国内形势的判断，将决定一个国家、一个地区乃至整个世界的前途命运；商家对市场发展变化的判断，将直接影响到一个公司或一个厂家的兴衰成败；甚至同学们的日常学习和考试答题，哪一件事不需要判断？
作出判断之后，我们必然会发表自己的意见，提出自己的观点，力争我们的所作所为有一个正确的、令人满意的结果。
II．Summary of Useful Expressions
（A）作出判断和推测
He may be right．他可能是对的。
He's perhaps right．他可能是对的。
She's probably been told the news．她大概已听说这个消息了。
I feel（that）the idea is good．在我看来这主意不错。
I judge him to be from Northeast China．我想他是东北人。
I think they must have received the parcel we posted．我想他们一定收到我们寄的包裹了。
There may be another period of high temperature after the beginning of autumn．立秋后可能还有一段时间的高温天气。
Judging from this looks，this woman seems to be in trouble．从表情看，这妇女似乎遇到了麻烦。
That would be in 1998，I think．我想那是在1998年。
They should be there now，I think．我想他们现在该到了。
（B）表达意见
I think the most important thing is health．我认为最重要的是健康。
I would say your decision is unthinking．我认为你的决定欠考虑。
In my opinion ／view，young people should steel themselves in practical work．依我看，年轻人应该在实际工作中磨练自己。
As I see it，practical capacity is more important than knowledge．在我看来，实际能力比知识更重要。
From what I know，many celebrities rose from poverty．就我所知，很多名人都是从贫困中崛起。
Idon'tthink whatyou've done is right．我认为你们的做法是不对的。
Personally，I consider ／think ／see it fit to put the meeting off．我个人认为可以推迟会议。
To be honest ／frank，I don't like your way of life．坦率地说，我不喜欢你的生活方式。
I'd like to say that China is still a developing country．我想指出，中国还是一个发展中国家。
It doesn't seem possible that he will change his mind．他似乎是不可能改变主意的。
III．Background Information
英语中，常用来表推断的词有must，may，might， could，would和can等。must表“一定”，语气最肯定； may，might，could，would语气较弱，含“可能”之意；此外还可以用should表推断，其语气较肯定。在否定句和疑问句中，只能用can或could表推断。例如：
—You're wanted on the phone．Itmay be Tony calling you．
—No，it can't be Tony，for he's gone abroad．It must be George．We've made an appointment．
