gramática

Present perfect

when the action start in the past and continues in the present or start in a period on time who not endings at the moment

past progressive

Describe the action or what was happening in the past

Present perfect structure

subject + have/has + past participle

Structure of the first conditional

If + subject + present simple + subject + will + verb base form

In what cases we use first conditional?

Is used to about likely future events and their consequences

the certain verbs

Enjoy, avoid, finish, keep, mind,consider,suggest,miss, practice

In what cases we use certain verbs with gerund ing

when the action is the thing who is affecting the verb it's for habits and likely

will be able to

podre de futuro

Could/would be able to

podría

Could

podia (de algo que podías hacer en el pasado)

Can

Puedo

Was/were be able to

pude, pudo

be able to

might be able to

ser capaz

podría ser capaz