Indicative
Present Indefinite
I enter upon
you enter upon
he/she/it enters upon
we enter upon
you enter upon
they enter upon
Present Continuous
I am entering upon
you are entering upon
he/she/it is entering upon
we are entering upon
you are entering upon
they are entering upon
Present Perfect
I have entered upon
you have entered upon
he/she/it has entered upon
we have entered upon
you have entered upon
they have entered upon
Present Perfect Continuous
I have been entering upon
you have been entering upon
he/she/it has been entering upon
we have been entering upon
you have been entering upon
they have been entering upon
Past Indefinite
I entered upon
you entered upon
he/she/it entered upon
we entered upon
you entered upon
they entered upon
Past Continuous
I was entering upon
you were entering upon
he/she/it was entering upon
we were entering upon
you were entering upon
they were entering upon
Past Perfect
I had entered upon
you had entered upon
he/she/it had entered upon
we had entered upon
you had entered upon
they had entered upon
Past Perfect Continuous
I had been entering upon
you had been entering upon
he/she/it had been entering upon
we had been entering upon
you had been entering upon
they had been entering upon
Future Indefinite
I will enter upon
you will enter upon
he/she/it will enter upon
we will enter upon
you will enter upon
they will enter upon
Future Continuous
I will be entering upon
you will be entering upon
he/she/it will be entering upon
we will be entering upon
you will be entering upon
they will be entering upon
Future Perfect
I will have entered upon
you will have entered upon
he/she/it will have entered upon
we will have entered upon
you will have entered upon
they will have entered upon
Future Perfect Continuous
I will have been entering upon
you will have been entering upon
he/she/it will have been entering upon
we will have been entering upon
you will have been entering upon
they will have been entering upon
Conditional
Conditional Present
I would enter upon
you would enter upon
he/she/it would enter upon
we would enter upon
you would enter upon
they would enter upon
Conditional Present Continuous
I would be entering upon
you would be entering upon
he/she/it would be entering upon
we would be entering upon
you would be entering upon
they would be entering upon
Conditional Perfect
I would have entered upon
you would have entered upon
he/she/it would have entered upon
we would have entered upon
you would have entered upon
they would have entered upon
Conditional Perfect Continuous
I would have been entering upon
you would have been entering upon
he/she/it would have been entering upon
we would have been entering upon
you would have been entering upon
they would have been entering upon