To be (Infinitive verb)
Být
I am
Jsem
You are
Ty jsi
He/she/ it is
Je
We are
Jsme
You are, plural
Jste
They are
Jsou
To place a negative form to a verb, e.g to be, simply place “ne” directly before the conjugated verb. For example: what would “I am not” be ?
It would go from jsem to nejsem.
We are not ?
Nejsme. Sounds like: Nay-smeh
To go (infinitive)
Jít.
I go
Jedu
He/she/it goes
Jede
We go
Jedeme
You (plural) go
Jedete
They go
Jedou
Can I go home?
Mohu jít domů?
Note:
In a sentence with a modal verb, the word order is subject-modal verb-action verb in the infinitive.