Christopher asked Jason to help him prepare for the test because he didn't know the material.
Christopher asked Jason to help him prepare for the test because he didn't know the material.
nsubj
Number=Sing
Christopher
(0)
Christopher
PROPN
NNP
root
Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin
ask
-
asked
VERB
VBD
obj
Number=Sing
Jason
(1)
Jason
PROPN
NNP
mark
to
-
to
PART
TO
xcomp
VerbForm=Inf
help
-
help
VERB
VB
obj
Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs
he
-
him
PRON
PRP
xcomp
VerbForm=Inf
prepare
-
prepare
VERB
VB
case
for
-
for
ADP
IN
det
Definite=Def|PronType=Art
the
-
the
DET
DT
obl
Number=Sing
test
-
test
NOUN
NN
mark
because
-
because
SCONJ
IN
nsubj
Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs
he
(0)
he
PRON
PRP
aux
Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin
do
-
did
AUX
VBD
advmod
not
-
n't
PART
RB
advcl
VerbForm=Inf
know
-
know
VERB
VB
det
Definite=Def|PronType=Art
the
-
the
DET
DT
obj
Number=Sing
material
-
material
NOUN
NN
punct
.
-
.
PUNCT
.