Question

cuales son los 4 tiempos verbales del presente y del pasado y cada una de sus estructuras

Answer 1

presente: 

Present Simple:
Present Continuous: 
Conditional simple: 
Conditional Continuous:

Pasado:
 
Present perfect: 
Present perfect continuous: 

Past Simple
Past continuous :
Past perfect:
Past perfect continuous 
Conditional perfect
Conditional perfect continuous