Ex. 2.17. Study the following comments on Academic Writing:
The discussion, argument, or comment in the development of the topic may be very straightforward, in which case ideas will be added together one after the other. The basic connective and is used here. There are also a number of connectives with a similar or related meaning to and (therefore, as a result, accordingly, consequently, thus, hence).
Sometimes the comments may be expressed in another way, or an alternative proposal may be made. This is represented by the basic connective or. There are also a number of connectives with a similar or related meaning to or (in other words, to put it more simply, it would be better to say). After the alternative has been considered, the main argument will continue.
There are also occasions in arguments, etc., when the opposite is considered or referred to. This is represented by the basic connective but. There are also a number of other connectives with a similar or related meaning to but (however, nevertheless, yet, in spite of that, all the same). After the opposite or opposing view has been considered, the main argument is continued.
(From: Jordan, R. R. (1999). Academic writing course: Study skills in English (3rd ed.). Harlow, MA: Pearson Education. P.11-14)