No need to worry.
1	No	no	DET	DT	_	2	det	2:det	_
2	need	need	NOUN	NN	Number=Sing	0	root	0:root	_
3	to	to	PART	TO	_	4	mark	4:mark	_
4	worry	worry	VERB	VB	VerbForm=Inf	2	acl	2:acl:to	SpaceAfter=No
5	.	.	PUNCT	.	_	2	punct	2:punct	_
