Verb to be

When?	Who?	Form	Example
Base form		be	It can be simple.
Simple Present	I	am	I am here.
	You	are	You are here.
	He/She/It	is	She is here.
	We	are	We are here.
	They	are	They are here.
Simple Past	I	was	I was here.
	You	were	You were here.
	He/She/It	was	She was here.
	We	were	We were here.
	They	were	They were here.
Simple Future	I	will be	I will be here.
	You	will be	You will be here.
	He/She/It	will be	She will be here.
	We	will be	We will be here.
	They	will be	They will be here.
Progressive form		being	He is being unusual.
Perfect from		been	It has been fun.