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Indicative

Present Simple
Perfect Simple
Past Simple
Pluperfect Simple
Future Simple
Future perfect Simple
Present Continuous
Perfect Continuous
Past Continuous
Pluperfect Continuous
Future Continuous
Future perfect Continuous
I build on
you build on
he/she/it builds on
we build on
they build on
I have built on; builded on
you have built on; builded on
he/she/it has built on; builded on
we have built on; builded on
they have built on; builded on
I built on
you built on
he/she/it built on
we built on
they built on
I had built on; builded on
you had built on; builded on
he/she/it had built on; builded on
we had built on; builded on
they had built on; builded on
I will build on
you will build on
he/she/it will build on
we will build on
they will build on
I will have built on; builded on
you will have built on; builded on
he/she/it will have built on; builded on
we will have built on; builded on
they will have built on; builded on
I am building on
you are building on
he/she/it is building on
we are building on
they are building on
I have been building on
you have been building on
he/she/it has been building on
we have been building on
they have been building on
I was building on
you were building on
he/she/it was building on
we were building on
they were building on
I had been building on
you had been building on
he/she/it had been building on
we had been building on
they had been building on
I will be building on
you will be building on
he/she/it will be building on
we will be building on
they will be building on
I will have been building on
you will have been building on
he/she/it will have been building on
we will have been building on
they will have been building on

Subjunctive

Present Simple
Perfect Simple
Imperfect Simple
Pluperfect Simple
I build on
you build on
he/she/it build on
we build on
they build on
I have built on; builded on
you have built on; builded on
he/she/it have built on; builded on
we have built on; builded on
they have built on; builded on
I built on
you built on
he/she/it built on
we built on
they built on
I had built on; builded on
you had built on; builded on
he/she/it had built on; builded on
we had built on; builded on
they had built on; builded on

Conditional

Present Simple
Perfect Simple
Present Continuous
Perfect Continuous
I would build on
you would build on
he/she/it would build on
we would build on
they would build on
I would have built on; builded on
you would have built on; builded on
he/she/it would have built on; builded on
we would have built on; builded on
they would have built on; builded on
I would be building on
you would be building on
he/she/it would be building on
we would be building on
they would be building on
I would have been building on
you would have been building on
he/she/it would have been building on
we would have been building on
they would have been building on

Imperative

you build on
we Let's build on

← Conjugate another English verb

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