And, uh, I assume, um, that English is your native language.
( And ( , ( uh ( , ( I ( ( ( ( ( assume , ) um ) , ) ( that ( English ( is ( your ( native language ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (CC And) (, ,) (INTJ (UH uh)) (, ,) (NP (PRP I)) (VP (VBP assume) (, ,) (VBP um) (, ,) (SBAR (IN that) (S (NP (NNP English)) (VP (VBZ is) (NP (PRP$ your) (JJ native) (NN language)))))) (. .)))
I can tell that English is not your first language.
( I ( ( can ( tell ( that ( English ( ( is not ) ( your ( first language ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (MD can) (VP (VB tell) (SBAR (IN that) (S (NP (NNP English)) (VP (VBZ is) (RB not) (NP (PRP$ your) (JJ first) (NN language))))))) (. .)))