"मैं अंग्रेज़ी बोलता हूँ।"

अनुवाद: I speak English.

[Suryaxxx]

I think when "I" is used then s is added in verb....plz tell

[LeMaitre]

No, an 's' isn't added for 'I'. Please see this discussion : https://www.duolingo.com/comment/2818055