Regular verb: speculate - speculated - speculated
Simple form | V-ing form |
I could speculate you could speculate she could speculate we could speculate you could speculate they could speculate | I could be speculating you could be speculating she could be speculating we could be speculating you could be speculating they could be speculating |
Perfect | V-ing perfect |
I could have speculated you could have speculated she could have speculated we could have speculated you could have speculated they could have speculated | I could have been speculating you could have been speculating she could have been speculating we could have been speculating you could have been speculating they could have been speculating |
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I couldn't speculate you couldn't speculate she couldn't speculate we couldn't speculate you couldn't speculate they couldn't speculate | I couldn't be speculating you couldn't be speculating she couldn't be speculating we couldn't be speculating you couldn't be speculating they couldn't be speculating |
Perfect | V-ing perfect |
I couldn't have speculated you couldn't have speculated she couldn't have speculated we couldn't have speculated you couldn't have speculated they couldn't have speculated | I couldn't have been speculating you couldn't have been speculating she couldn't have been speculating we couldn't have been speculating you couldn't have been speculating they couldn't have been speculating |
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could I speculate? could you speculate? could she speculate? could we speculate? could you speculate? could they speculate? | could I be speculating? could you be speculating? could she be speculating? could we be speculating? could you be speculating? could they be speculating? |
Perfect | V-ing perfect |
could I have speculated? could you have speculated? could she have speculated? could we have speculated? could you have speculated? could they have speculated? | could I have been speculating? could you have been speculating? could she have been speculating? could we have been speculating? could you have been speculating? could they have been speculating? |
Simple form | V-ing form |
couldn't I speculate? couldn't you speculate? couldn't she speculate? couldn't we speculate? couldn't you speculate? couldn't they speculate? | couldn't I be speculating? couldn't you be speculating? couldn't she be speculating? couldn't we be speculating? couldn't you be speculating? couldn't they be speculating? |
Perfect | V-ing perfect |
couldn't I have speculated? couldn't you have speculated? couldn't she have speculated? couldn't we have speculated? couldn't you have speculated? couldn't they have speculated? | couldn't I have been speculating? couldn't you have been speculating? couldn't she have been speculating? couldn't we have been speculating? couldn't you have been speculating? couldn't they have been speculating? |