Indicative
Present (simple)
- I underrun
- you underrun
- he underruns
- we underrun
- you underrun
- they underrun
Present progressive / continuous
- I am underruning
- you are underruning
- he is underruning
- we are underruning
- you are underruning
- they are underruning
Past (simple)
- I underran
- you underran
- he underran
- we underran
- you underran
- they underran
Past progressive / continuous
- I was underruning
- you were underruning
- he was underruning
- we were underruning
- you were underruning
- they were underruning
Present perfect (simple)
- I have underrun
- you have underrun
- he has underrun
- we have underrun
- you have underrun
- they have underrun
Present perfect progressive / continuous
- I have been underruning
- you have been underruning
- he has been underruning
- we have been underruning
- you have been underruning
- they have been underruning
Past perfect
- I had underrun
- you had underrun
- he had underrun
- we had underrun
- you had underrun
- they had underrun
Past perfect progressive / continuous
- I had been underruning
- you had been underruning
- he had been underruning
- we had been underruning
- you had been underruning
- they had been underruning
Future
- I will underrun
- you will underrun
- he will underrun
- we will underrun
- you will underrun
- they will underrun
Future progressive / continuous
- I will be underruning
- you will be underruning
- he will be underruning
- we will be underruning
- you will be underruning
- they will be underruning
Future perfect
- I will have underrun
- you will have underrun
- he will have underrun
- we will have underrun
- you will have underrun
- they will have underrun
Future perfect continuous
- I will have been underruning
- you will have been underruning
- he will have been underruning
- we will have been underruning
- you will have been underruning
- they will have been underruning
Conditional
Simple
- I would underrun
- you would underrun
- he would underrun
- we would underrun
- you would underrun
- they would underrun
Progressive
- I would be underruning
- you would be underruning
- he would be underruning
- we would be underruning
- you would be underruning
- they would be underruning
Perfect
- I would have underrun
- you would have underrun
- he would have underrun
- we would have underrun
- you would have underrun
- they would have underrun
Perfect progressive
- I would have been underruning
- you would have been underruning
- he would have been underruning
- we would have been underruning
- you would have been underruning
- they would have been underruning
Infinitive
Infinitive
- to underrun
Imperative
Imperative
- underrun
- Let's underrun
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