博思写作评分标准主要围绕四个方面评判：1.内容要切题；2.能正确表达思想；3.意义连贯；4.无重大语法错误。批改作文时，主要从内容和语言两个方面进行综合评判。内容和语言是一个统一体。作文应表达题目所规定的内容，而内容要通过语言来表达。作文是不是切题，是不是充分表达思想，和语言上的错误是不是导致理解上的障碍有密切的关系。所以，学会肯定的写作句型，对提升博考虑试作文得分能力是非常有帮助的。
1、~~~ the + ~ est + 名词 + + 主词 + have ever + seen
~~~ the most + 形容词 + 名词 + + 主词 + have ever + seen
例句：Helen is the most beautiful girl that I have ever seen.
海伦是我所看过最漂亮的女生。
Mr. Chang is the kindest teacher that I have ever had.
张老师是我过去遇见最仁慈的教师。
2、Nothing is + ~~~ er than to + V
Nothing is + more + 形容词 + than to + V
例句：Nothing is more important than to receive education.
没比同意教育更要紧的事。
3、~~~ cannot emphasize the importance of ~~~ too much.
（再如何强调...的重要程度也不为过。）
例句：We cannot emphasize the importance of protecting our eyes too much.
大家再如何强调保护双眼的重要程度也不为过。
4、There is no denying that + S + V ...（不能否认的...）
例句：There is no denying that the qualities of our living have gone from bad to worse.
不能否认的，大家的生活品质已经每况愈下。
5、It is universally acknowledged that + 句子~~ （全世界都了解...）
例句：It is universally acknowledged that trees are indispensable to us.
全世界都了解树木对大家是必不可少的。
6、There is no doubt that + 句子~~ （毫无疑问的...）
例句：There is no doubt that our educational system leaves something to be desired.
毫无疑问的大家的教育规范让人不认可。
7、An advantage of ~~~ is that + 句子 （...的优点是...）
例句：An advantage of using the solar energy is that it won‘t create any pollution.
用太阳能的优点是它不会制造任何污染。
8、The reason why + 句子 ~~~ is that + 句子 （...是什么原因...）
例句：The reason why we have to grow trees is that they can provide us with fresh air.
The reason why we have to grow trees is that they can supply fresh air for us.
大家需要种树是什么原因它们能提供大家新鲜的空气。
9、So + 形容词 + be + 主词 + that + 句子 （这样...以致于...）
例句：So precious is time that we can‘t afford to waste it.
时间是这样珍贵，大家经不起浪费它。
10、Adj + as + Subject（主词）+ be, S + V~~~ （虽然...）
例句：Rich as our country is, the qualities of our living are by no means satisfactory.
{by no means = in no way = on no account 一点也不}
虽然大家的国家富有，大家的生活品质绝对让人不认可。
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