Indicative
Present Indefinite
I contribute heavily
you contribute heavily
he/she/it contributes heavily
we contribute heavily
you contribute heavily
they contribute heavily
Present Continuous
I am contributing heavily
you are contributing heavily
he/she/it is contributing heavily
we are contributing heavily
you are contributing heavily
they are contributing heavily
Present Perfect
I have contributed heavily
you have contributed heavily
he/she/it has contributed heavily
we have contributed heavily
you have contributed heavily
they have contributed heavily
Present Perfect Continuous
I have been contributing heavily
you have been contributing heavily
he/she/it has been contributing heavily
we have been contributing heavily
you have been contributing heavily
they have been contributing heavily
Past Indefinite
I contributed heavily
you contributed heavily
he/she/it contributed heavily
we contributed heavily
you contributed heavily
they contributed heavily
Past Continuous
I was contributing heavily
you were contributing heavily
he/she/it was contributing heavily
we were contributing heavily
you were contributing heavily
they were contributing heavily
Past Perfect
I had contributed heavily
you had contributed heavily
he/she/it had contributed heavily
we had contributed heavily
you had contributed heavily
they had contributed heavily
Past Perfect Continuous
I had been contributing heavily
you had been contributing heavily
he/she/it had been contributing heavily
we had been contributing heavily
you had been contributing heavily
they had been contributing heavily
Future Indefinite
I will contribute heavily
you will contribute heavily
he/she/it will contribute heavily
we will contribute heavily
you will contribute heavily
they will contribute heavily
Future Continuous
I will be contributing heavily
you will be contributing heavily
he/she/it will be contributing heavily
we will be contributing heavily
you will be contributing heavily
they will be contributing heavily
Future Perfect
I will have contributed heavily
you will have contributed heavily
he/she/it will have contributed heavily
we will have contributed heavily
you will have contributed heavily
they will have contributed heavily
Future Perfect Continuous
I will have been contributing heavily
you will have been contributing heavily
he/she/it will have been contributing heavily
we will have been contributing heavily
you will have been contributing heavily
they will have been contributing heavily
Conditional
Conditional Present
I would contribute heavily
you would contribute heavily
he/she/it would contribute heavily
we would contribute heavily
you would contribute heavily
they would contribute heavily
Conditional Present Continuous
I would be contributing heavily
you would be contributing heavily
he/she/it would be contributing heavily
we would be contributing heavily
you would be contributing heavily
they would be contributing heavily
Conditional Perfect
I would have contributed heavily
you would have contributed heavily
he/she/it would have contributed heavily
we would have contributed heavily
you would have contributed heavily
they would have contributed heavily
Conditional Perfect Continuous
I would have been contributing heavily
you would have been contributing heavily
he/she/it would have been contributing heavily
we would have been contributing heavily
you would have been contributing heavily
they would have been contributing heavily