Present
I develop
you develop
he develops
we develop
you develop
they develop

Perfect
I have developed
you have developed
he has developed
we have developed
you have developed
they have developed

Past
I developed
you developed
he developed
we developed
you developed
they developed

Pluperfect
I had developed
you had developed
he had developed
we had developed
you had developed
they had developed

Future
I will develop
you will develop
he will develop
we will develop
you will develop
they will develop

Future perfect
I will have developed
you will have developed
he will have developed
we will have developed
you will have developed
they will have developed

Present
I develop
you develop
he develop
we develop
you develop
they develop

Present
I have developed
you have developed
he have developed
we have developed
you have developed
they have developed

Imperfect
I developed
you developed
he developed
we developed
you developed
they developed

Pluperfect
I had developed
you had developed
he had developed
we had developed
you had developed
they had developed

Present
I would develop
you would develop
he would develop
we would develop
you would develop
they would develop

Perfect
I would have developed
you would have developed
he would have developed
we would have developed
you would have developed
they would have developed

you develop
we Let's develop
you develop

Present
I am developing
you are developing
he is developing
we are developing
you are developing
they are developing

Perfect
I have been developing
you have been developing
he has been developing
we have been developing
you have been developing
they have been developing

Past
I was developing
you were developing
he was developing
we were developing
you were developing
they were developing

Pluperfect
I had been developing
you had been developing
he had been developing
we had been developing
you had been developing
they had been developing

Future
I will be developing
you will be developing
he will be developing
we will be developing
you will be developing
they will be developing

Future perfect
I will have been developing
you will have been developing
he will have been developing
we will have been developing
you will have been developing
they will have been developing

Present
I would be developing
you would be developing
he would be developing
we would be developing
you would be developing
they would be developing

Perfect
I would have been developing
you would have been developing
he would have been developing
we would have been developing
you would have been developing
they would have been developing