Have a look how to use "Gerund"

gerund  -  infinitive

One of the difficulties of the English language is that
some verbs are followed by the gerund  (ex : doing)
and others are followed by the infinitive (ex : to do).

Below you will find a table to help you :
 

When do you use the GERUND?  (ex : doing)	When do you use the INFINITIVE?   ( ex : to do)
●  After verbs that express likes/dislikes :                             like, love, enjoy            dislike, hate            don't mind, can't stand ..... doing After certain other verbs,  such as :                    admit             imagine           appreciate     involve           avoid             keep (on)           consider        mention           delay             miss           deny              postpone           finish             suggest ........ doing   After prepositions :                 interested in ...              instead of ...           good at ...           before ...           after ................................... doing   After certain expressions :           it's no use ...           it's no good ...           there's no point in .............. doing	●  After verbs that  refer to a future event :               want,  hope,  intend             would like,    promise .........  to do    ●  After certain other verbs, such as  :                            afford           help             agree           learn             arrange        manage             choose         offer             fail               refuse             happen        seem ..............   to do   After adjectives :                     glad  (ex : glad to know...)   pleased  (ex : pleased to meet you...)   disappointed  (ex : disappointed to hear...)   After "too" & "enough":          too difficult    easy enough  .....................  to do
The verbs : begin/start/continue can be followed by the gerund or the infinitive  with little or no change in meaning. The verbs : stop/try/remember can also take both, but the meaning changes.