By using this site, you agree that we're using cookies to save preferences and for telemetry data such as Google Analytics.

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 speed stack
you speed stack
he/she/it speeds stack
we speed stack
they speed stack
I have sped stack; speeded stack
you have sped stack; speeded stack
he/she/it has sped stack; speeded stack
we have sped stack; speeded stack
they have sped stack; speeded stack
I sped stack; speeded stack
you sped stack; speeded stack
he/she/it sped stack; speeded stack
we sped stack; speeded stack
they sped stack; speeded stack
I had sped stack; speeded stack
you had sped stack; speeded stack
he/she/it had sped stack; speeded stack
we had sped stack; speeded stack
they had sped stack; speeded stack
I will speed stack
you will speed stack
he/she/it will speed stack
we will speed stack
they will speed stack
I will have sped stack; speeded stack
you will have sped stack; speeded stack
he/she/it will have sped stack; speeded stack
we will have sped stack; speeded stack
they will have sped stack; speeded stack
I am speeding stack
you are speeding stack
he/she/it is speeding stack
we are speeding stack
they are speeding stack
I have been speeding stack
you have been speeding stack
he/she/it has been speeding stack
we have been speeding stack
they have been speeding stack
I was speeding stack
you were speeding stack
he/she/it was speeding stack
we were speeding stack
they were speeding stack
I had been speeding stack
you had been speeding stack
he/she/it had been speeding stack
we had been speeding stack
they had been speeding stack
I will be speeding stack
you will be speeding stack
he/she/it will be speeding stack
we will be speeding stack
they will be speeding stack
I will have been speeding stack
you will have been speeding stack
he/she/it will have been speeding stack
we will have been speeding stack
they will have been speeding stack

Subjunctive

Present Simple
Perfect Simple
Imperfect Simple
Pluperfect Simple
I speed stack
you speed stack
he/she/it speed stack
we speed stack
they speed stack
I have sped stack; speeded stack
you have sped stack; speeded stack
he/she/it have sped stack; speeded stack
we have sped stack; speeded stack
they have sped stack; speeded stack
I sped stack; speeded stack
you sped stack; speeded stack
he/she/it sped stack; speeded stack
we sped stack; speeded stack
they sped stack; speeded stack
I had sped stack; speeded stack
you had sped stack; speeded stack
he/she/it had sped stack; speeded stack
we had sped stack; speeded stack
they had sped stack; speeded stack

Conditional

Present Simple
Perfect Simple
Present Continuous
Perfect Continuous
I would speed stack
you would speed stack
he/she/it would speed stack
we would speed stack
they would speed stack
I would have sped stack; speeded stack
you would have sped stack; speeded stack
he/she/it would have sped stack; speeded stack
we would have sped stack; speeded stack
they would have sped stack; speeded stack
I would be speeding stack
you would be speeding stack
he/she/it would be speeding stack
we would be speeding stack
they would be speeding stack
I would have been speeding stack
you would have been speeding stack
he/she/it would have been speeding stack
we would have been speeding stack
they would have been speeding stack

Imperative

you speed stack
we Let's speed stack

← Conjugate another English verb

Reji icon

Learn languages with Reji.

One-time purchase for a reasonable price.
No subscriptions, no hidden costs.

How about Android?

Reji's not available for Android yet. You can leave your email.
We'll let you know when it's available!

Let's stay in touch

Follow us on Twitter or Facebook to get bites of usefulness about language learning and Reji tips and tricks.