Simple present- sub. + V1 form of verb .
eg. he plays football.
simple past - sub. + V2 form of verb
eg. he played football.
simple future - sub. + will or shall + V1
eg. he will play football.
present continuous- sub. + am or is or are + ing form of verb
eg. he is playing football.
past continuous - sub. + was or were + ing
eg. he was playing football.
future continuous- sub. + will or shall + be + ing
eg. he will be playing football.
present perfect - sub. + has or have + p.p
eg. i have finished my homework.
past perfect- sub. +had + p.p
eg. i had reached the school when the bell rang.