Type1引述他人观点（为提出自己观点铺垫）

[1] It is widely(monly) accepted(hold)+THAT

[2] A widely accepted(monly) hold idea(point of view,viewpoint, opinion,assumption)is +THAT/NP

[3] A/The dominant(prevalent, prevailing)idea(see [2])is NP/to DO

[4] It is taken for granted+THAT(or:We often/frequently take it for granted THAT)

[5] People(The majority) seem to get accustomed to the idea(see [2]),without questioning,THAT

[6] People are willing to regard NP1 as NP2/ADJ

[7] People are willing to DO,while reluctant to DO

Type2提出异议

[1] However (But),…

[2] Such idea(see[12]),if not entirely ADJ1,is somewhat ADJ2 and needs careful consideration. ADJI=unreasonable,unacceptable, inappropriate,improper,undesirable, etc; ADJ2=misleading,doubtrul, etc

[3] In fact(As a matter of fact),…(follow[2])

[4] However, it is not (quite, necessarily)the case.

[5] This (It) is not (quite, necessarily) the case and needs to bo fruther considered/discussed.(or:further consideration/discussion)

Type3论述的展开：说明原因和理由，层进，举例，转折

[1] The reason lies in several aspects,

[2] The reason why+clause+[1, underlined]

[3] There are several remarkable reasons.

[4] 层进in addition, besides, fruthermore, what’s more, on the other hand, meanwhile, for one thing…for another; finally, above all, in short.

[5] 举例for example, for instance, such (general term) as (specific terms),a typical (striking) example is that, a case in point

[6] 转折however, but, nevertheless,on the contrary

[7] 条件if , provided that, unless, as long as,etc Type4 就…而言；关于

[1] as far as …is/are concemed: As far as current situation is concerned

[2] as t the problem as to NP有关…的问题 Type5问题

[1] Although much effort has been made, the situation is far from satisfactory (or: the problem remains unsolved, little improvement has been achieved)

[2] There is a tendency, as recent study (investigation) has pointed out (shown, revealed, indicated),+THAT

[3] There is growing concern about +NP

[4] It will inevitably (is likely to )result in (lead to ) unwanted (serious) consequence (or NP)

[5] Unfortunately,…

[6] We will not be able to afford the risk of overlooking the seriousness of the matter.

[7] The process, once initiated, is most likely irreversible.

[8] We are constantly (frequently) faced with NP TYPE6重要与必要；（应）注意与重视

[1] NP1 is of great importance (necessity, value) in NP2 (or: NP is of enormous significance)

[2] The importance (necessity) of NP (to do sth.) lies in (the fact) that…

[3] NP1 plays, as is known, an irreplaceably important role in NP2

[4] The irreplaceably important role NP1 plays in NP2 is significant (obvous)

[5] NP1 is an indispensable part of NP2

[6] It is important (necessary) to DO (or:THAT)

[7] Special attention should be pay to …(or: We should pay special attention to…)

[8] What we should take into consideration is +NP Type7行动

[1](immediate, emergent, effective) Measures are being taken (has been taken, should be taken) to DO

[3] We he made much effort, there is still more we need to make (cf. We he learnt a lot, there is much more we need to lea123)