An introduction typically opens with several sentences that get the reader’s attention and concludes with the thesis. The opening sentences should set up the thesis. Here is an example of an introduction (the thesis is italicized):
The above introduction sets up the thesis by presenting an overview of alternative critical interpretations, interpretations which the thesis pushes against. When writing the sentences preceding the thesis, I hoped that a brief look at the Romantic and psychoanalytic interpretations would interest the reader. However, your introduction’s pre-thesis sentences can hook the reader in many other ways – for instance, by using or including one of the following:
Notice how short this introduction is. Such brevity is not uncommon in work settings.