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Indicative

Present

I speed
you speed
she speeds
we speed
they speed

Present perfect

I have sped / speeded
you have sped / speeded
she has sped / speeded
we have sped / speeded
they have sped / speeded

Preterit

I sped / speeded
you sped / speeded
she sped / speeded
we sped / speeded
they sped / speeded

Past perfect

I had sped / speeded
you had sped / speeded
she had sped / speeded
we had sped / speeded
they had sped / speeded

Future

I will speed
you will speed
she will speed
we will speed
they will speed

Future perfect

I will have sped / speeded
you will have sped / speeded
she will has sped / speeded
we will have sped / speeded
they will have sped / speeded

Subjunctive

Present

I speed
you speed
she speed
we speed
they speed

Present perfect

I have sped / speeded
you have sped / speeded
she have sped / speeded
we have sped / speeded
they have sped / speeded

Preterit

I sped / speeded
you sped / speeded
she sped / speeded
we sped / speeded
they sped / speeded

Present perfect

I had sped / speeded
you had sped / speeded
she had sped / speeded
we had sped / speeded
they had sped / speeded

Conditional

Present

I would speed
you would speed
she would speed
we would speed
they would speed

Perfect

I would have sped / speeded
you would have sped / speeded
she would have sped / speeded
we would have sped / speeded
they would have sped / speeded

Imperative

Present

speed!
let's speed!

Participle

Present participle (Gerund)

speeding

Past participle

sped / speeded