Regular verb: underestimate - underestimated - underestimated
Simple form | V-ing form |
I can underestimate you can underestimate she can underestimate we can underestimate you can underestimate they can underestimate | I can be underestimating you can be underestimating she can be underestimating we can be underestimating you can be underestimating they can be underestimating |
Perfect | V-ing perfect |
I can have underestimated you can have underestimated she can have underestimated we can have underestimated you can have underestimated they can have underestimated | I can have been underestimating you can have been underestimating she can have been underestimating we can have been underestimating you can have been underestimating they can have been underestimating |
Simple form | V-ing form |
I cannot underestimate you cannot underestimate she cannot underestimate we cannot underestimate you cannot underestimate they cannot underestimate | I cannot be underestimating you cannot be underestimating she cannot be underestimating we cannot be underestimating you cannot be underestimating they cannot be underestimating |
Perfect | V-ing perfect |
I cannot have underestimated you cannot have underestimated she cannot have underestimated we cannot have underestimated you cannot have underestimated they cannot have underestimated | I cannot have been underestimating you cannot have been underestimating she cannot have been underestimating we cannot have been underestimating you cannot have been underestimating they cannot have been underestimating |
Simple form | V-ing form |
can I underestimate? can you underestimate? can she underestimate? can we underestimate? can you underestimate? can they underestimate? | can I be underestimating? can you be underestimating? can she be underestimating? can we be underestimating? can you be underestimating? can they be underestimating? |
Perfect | V-ing perfect |
can I have underestimated? can you have underestimated? can she have underestimated? can we have underestimated? can you have underestimated? can they have underestimated? | can I have been underestimating? can you have been underestimating? can she have been underestimating? can we have been underestimating? can you have been underestimating? can they have been underestimating? |
Simple form | V-ing form |
can I not underestimate? can you not underestimate? can she not underestimate? can we not underestimate? can you not underestimate? can they not underestimate? | can I not be underestimating? can you not be underestimating? can she not be underestimating? can we not be underestimating? can you not be underestimating? can they not be underestimating? |
Perfect | V-ing perfect |
can I not have underestimated? can you not have underestimated? can she not have underestimated? can we not have underestimated? can you not have underestimated? can they not have underestimated? | can I not have been underestimating? can you not have been underestimating? can she not have been underestimating? can we not have been underestimating? can you not have been underestimating? can they not have been underestimating? |