I speak English - Saying it in English:
1. Correct - I speak English
(ठीक - म अङ्रेजी बोल्छु)
2. Incorrect - I am speak English
(बेठिक - म छु अङ्रेजी बोल्दै)
I am speak English - is incorrect English. In simple present tense, we do not need to add 'is/am/are' before the main verb (speak).
(म छु अङ्रेजी बोल्दै बेठिक ह.
सामान्य पर्तमान काल मा हामीलाई 'is/am/are' मूल क्रिया (बोल्छु) अगाडि जोद्नु आवश्यक छैन)