For the very first English lesson, here's a video on the present simple of the verb 'be'. After you can click on the activity to check what you know. Click for activity
To be or not to be contracted? This is the question
Concerning contracting ‘be’ with ‘not’ there are two forms available where generally one form is preferred over the other depending on whether the word that comes before is a noun or a pronoun. For the purpose of an A1 level, this slide is only going to show how both forms are possible. Click for slide