I speak English.
Background information: About 400 million people worldwide speak English as their mother tongue.
I speak English. Background information: About 400 million people worldwide speak English as their mother tongue.
Jag talar engelska. 
Jeg taler engelsk. 
Ma räägin inglise keelt. 
Ich spreche Englisch. 
Puhun englantia. 
Ég tala ensku. 
Aš kalbu angliškai. 
Jeg snakker engelsk. 
Es runāju angliski.