Actually, the text I analysed swaps from periods where the dominant process is the material one to others in which verbal processes are the leading one. In my opinion, this organisation suggests that the author wanted to make the flow of the text as fluid as possible in order to keep the reader’s attention as high as possible.
Then, there is the interpersonal one, which mainly analyses the use of language in order to interact with other people. In Language, context, and text: aspects of language in a social-semiotic perspective Halliday defines this metafunction as the one thanks to which a person
“[…] recognise the speech function, the type of offer, command, statement, or question, the attitudes and judgments embodied in it, and the rhetorical features that constitute it as a symbolic act […]”.
Finally, there is the textual metafunction which concerns the organization of a language in order to fit in its context. According to Matthiesen and