Regular verb: underestimate - underestimated - underestimated
Simple form | V-ing form |
I can underestimate you can underestimate he can underestimate we can underestimate you can underestimate they can underestimate | I can be underestimating you can be underestimating he 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 he 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 he 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 can't underestimate you can't underestimate he can't underestimate we can't underestimate you can't underestimate they can't underestimate | I can't be underestimating you can't be underestimating he can't be underestimating we can't be underestimating you can't be underestimating they can't be underestimating |
Perfect | V-ing perfect |
I can't have underestimated you can't have underestimated he can't have underestimated we can't have underestimated you can't have underestimated they can't have underestimated | I can't have been underestimating you can't have been underestimating he can't have been underestimating we can't have been underestimating you can't have been underestimating they can't have been underestimating |
Simple form | V-ing form |
can I underestimate? can you underestimate? can he underestimate? can we underestimate? can you underestimate? can they underestimate? | can I be underestimating? can you be underestimating? can he 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 he 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 he have been underestimating? can we have been underestimating? can you have been underestimating? can they have been underestimating? |
Simple form | V-ing form |
can't I underestimate? can't you underestimate? can't he underestimate? can't we underestimate? can't you underestimate? can't they underestimate? | can't I be underestimating? can't you be underestimating? can't he be underestimating? can't we be underestimating? can't you be underestimating? can't they be underestimating? |
Perfect | V-ing perfect |
can't I have underestimated? can't you have underestimated? can't he have underestimated? can't we have underestimated? can't you have underestimated? can't they have underestimated? | can't I have been underestimating? can't you have been underestimating? can't he have been underestimating? can't we have been underestimating? can't you have been underestimating? can't they have been underestimating? |