The introduction is usually in present tense due to the fact that you are presenting facts and background information on your research topic. By having this information in present tense, you are ...

If you are doing something right now then that's the present tense… ‎ You use the present tense to give facts, to talk about what you do on a regular basis, and ‎to say what you are doing ...

they go (masculine or mixed) The present tense of aller can also be used to form the ‘near’ future tense. This is used to say what you are ‘going to (do)’ in the future. je fais close ...