TO INFINITIVE

यह verbal noun होता है।
Function=
Subject
Object
Complement
Example
To see is to believe.
To learn english is easy.
He wants to became an I.a. s.
इसमें infinitive या तो full यानि to के साथ या फिर bare तो होगा।

?use of bare infinitive
Bare infinitive का use कहा कहा होता है

verb of sensation के साथ जैसे=feel see hear watch bid bit इनके साथ to नही लगेगा।
I saw her cross the road.
I watch her play chess.
I heard him sing a song.

Note=लेकिन let के अलावा अन्य सभी के साथ passive voice में full infinitive का use करते है।
He was seen to cross the road.
I was bidden to go there.
Would rather
Would sooner
Rather than
Sooner than
Had better
इनके साथ bare infinitive use होता है।
Example=
You had better stay here.
He would rather die to beg

Help verb के साथ to लग भी सकता है और नही भी लग सकता है।
She helped me pack the luggage.
She helped me to pack the luggage.

Enough,so...as,first,second,last,only इनके साथ भी to infinitive का use करते है।