Indicative
Present Indefinite
I develop system
you develop system
he/she/it develops system
we develop system
you develop system
they develop system
Present Continuous
I am developing system
you are developing system
he/she/it is developing system
we are developing system
you are developing system
they are developing system
Present Perfect
I have developed system
you have developed system
he/she/it has developed system
we have developed system
you have developed system
they have developed system
Present Perfect Continuous
I have been developing system
you have been developing system
he/she/it has been developing system
we have been developing system
you have been developing system
they have been developing system
Past Indefinite
I developed system
you developed system
he/she/it developed system
we developed system
you developed system
they developed system
Past Continuous
I was developing system
you were developing system
he/she/it was developing system
we were developing system
you were developing system
they were developing system
Past Perfect
I had developed system
you had developed system
he/she/it had developed system
we had developed system
you had developed system
they had developed system
Past Perfect Continuous
I had been developing system
you had been developing system
he/she/it had been developing system
we had been developing system
you had been developing system
they had been developing system
Future Indefinite
I will develop system
you will develop system
he/she/it will develop system
we will develop system
you will develop system
they will develop system
Future Continuous
I will be developing system
you will be developing system
he/she/it will be developing system
we will be developing system
you will be developing system
they will be developing system
Future Perfect
I will have developed system
you will have developed system
he/she/it will have developed system
we will have developed system
you will have developed system
they will have developed system
Future Perfect Continuous
I will have been developing system
you will have been developing system
he/she/it will have been developing system
we will have been developing system
you will have been developing system
they will have been developing system
Conditional
Conditional Present
I would develop system
you would develop system
he/she/it would develop system
we would develop system
you would develop system
they would develop system
Conditional Present Continuous
I would be developing system
you would be developing system
he/she/it would be developing system
we would be developing system
you would be developing system
they would be developing system
Conditional Perfect
I would have developed system
you would have developed system
he/she/it would have developed system
we would have developed system
you would have developed system
they would have developed system
Conditional Perfect Continuous
I would have been developing system
you would have been developing system
he/she/it would have been developing system
we would have been developing system
you would have been developing system
they would have been developing system