So there are three types of montages that we could do and I'm going to give three classifications based on montages in works that were widely seen. In each case, the montage relies on basic principles. First, the teacher sucessfully accopmplishes the task of the training, and steps the student through the the task. Then the student performs the first ...
Check this great summary on how to use the different tenses in english
I can also advise you to use Grammarly to check your overall document, style, grammar and spelling. The free version is interesting, and if you need more there is a paid version.
I hope this will help !