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 some guidelines and examples to help you.
(example verb : doing / to do).

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When do we use the GERUND? (ex: doing)
After verbs that express likes/dislikes : like, love, enjoy, dislike, hate, don't mind, can't stand ... Example : I like doing crossword puzzles.	+ doing
After certain other verbs such as : admit, appreciate, avoid, consider, delay, deny, finish, imagine, involve, keep (on), mention, miss, postpone, suggest ... Example : Would you consider doing a few extra hours?	+ doing
After prepositions : interested in ... Example : Are you interested in working for us? instead of ... Ex: Would you like to walk instead of taking the bus? look forward to ... Ex:  Our parents are looking forward to seeing us soon. good at ... Ex:  Julie is good at making cakes. before... Ex: Before leaving the office, please turn off the lights. after ... Ex: After tidying the kitchen she went straight to bed.	+ doing
After certain expressions : it's no use ... Ex:  It's no use pleading - I won't change my mind. it's no good ... Ex: It's no good shouting at him - he's deaf! there's no point in ...Ex: There's no point in cooking food - nobody's hungry!	+ doing
When do we use the INFINITIVE? (ex : to do)
After verbs that refer to a future event : want, hope, intend, would like, promise ... Ex : I want to do a course in medieval history.	+ to do
After certain verbs such as : afford, agree, arrange, choose, need, fail, happen, help, learn, manage, offer, refuse, seem ... Ex : I agree to pay for the damage.	+ to do
After adjectives: glad : (glad to know that ...) pleased : (pleased to meet you...) disappointed : (disappointed to hear that ..)	+ to do
After 'too' and 'enough' it's too difficult... Ex : It's too difficult to explain how it happened. it's easy enough... Ex : It's easy enough to install. You can do it yourself.	+ to do