Indicative
Present Indefinite
I underdevelop
you underdevelop
he/she/it underdevelops
we underdevelop
you underdevelop
they underdevelop
Present Continuous
I am underdeveloping
you are underdeveloping
he/she/it is underdeveloping
we are underdeveloping
you are underdeveloping
they are underdeveloping
Present Perfect
I have underdeveloped
you have underdeveloped
he/she/it has underdeveloped
we have underdeveloped
you have underdeveloped
they have underdeveloped
Present Perfect Continuous
I have been underdeveloping
you have been underdeveloping
he/she/it has been underdeveloping
we have been underdeveloping
you have been underdeveloping
they have been underdeveloping
Past Indefinite
I underdeveloped
you underdeveloped
he/she/it underdeveloped
we underdeveloped
you underdeveloped
they underdeveloped
Past Continuous
I was underdeveloping
you were underdeveloping
he/she/it was underdeveloping
we were underdeveloping
you were underdeveloping
they were underdeveloping
Past Perfect
I had underdeveloped
you had underdeveloped
he/she/it had underdeveloped
we had underdeveloped
you had underdeveloped
they had underdeveloped
Past Perfect Continuous
I had been underdeveloping
you had been underdeveloping
he/she/it had been underdeveloping
we had been underdeveloping
you had been underdeveloping
they had been underdeveloping
Future Indefinite
I will underdevelop
you will underdevelop
he/she/it will underdevelop
we will underdevelop
you will underdevelop
they will underdevelop
Future Continuous
I will be underdeveloping
you will be underdeveloping
he/she/it will be underdeveloping
we will be underdeveloping
you will be underdeveloping
they will be underdeveloping
Future Perfect
I will have underdeveloped
you will have underdeveloped
he/she/it will have underdeveloped
we will have underdeveloped
you will have underdeveloped
they will have underdeveloped
Future Perfect Continuous
I will have been underdeveloping
you will have been underdeveloping
he/she/it will have been underdeveloping
we will have been underdeveloping
you will have been underdeveloping
they will have been underdeveloping
Conditional
Conditional Present
I would underdevelop
you would underdevelop
he/she/it would underdevelop
we would underdevelop
you would underdevelop
they would underdevelop
Conditional Present Continuous
I would be underdeveloping
you would be underdeveloping
he/she/it would be underdeveloping
we would be underdeveloping
you would be underdeveloping
they would be underdeveloping
Conditional Perfect
I would have underdeveloped
you would have underdeveloped
he/she/it would have underdeveloped
we would have underdeveloped
you would have underdeveloped
they would have underdeveloped
Conditional Perfect Continuous
I would have been underdeveloping
you would have been underdeveloping
he/she/it would have been underdeveloping
we would have been underdeveloping
you would have been underdeveloping
they would have been underdeveloping