Answer: three... four
Step-by-step explanation:
English language has three main tenses and four forms of each.
The main tenses in English are: PAST, PRESENT, FUTURE.
Each of the tenses has four different forms: SIMPLE, PERFECT, PERFECT PROGRESSIVE AND PROGRESSIVE.
For example:
Simple past: He played.
Simple present: He plays.
Simple future: He will play.
Past Perfect: He had played.
Present Perfect: He has played.
Future Perfect: He will have played.
Past Perfect Progressive: He had been playing.
Present Perfect Progressive: He has been playing
Future Perfect Progressive: He will have been playing.
Progressive past: He was playing
Progressive present: He is playing.
Future progressive: He will be playing.