To be - negative sentences in the present 9

This lesson is about forms of verb 'to be' in negative sentences. We're still in the present.
Polish: Jest to lekcja poswięcona odmianie czasownika 'być' w czasie terazniejszym - przeczenia.
To make a negative sentence we have to add 'not' to the forms you've learnt about in the previous post. You can read that post HERE. 
The table sh...