Regular verb: reverse-engineer - reverse-engineered - reverse-engineered
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I could reverse-engineer you could reverse-engineer he could reverse-engineer we could reverse-engineer you could reverse-engineer they could reverse-engineer | I could be reverse-engineering you could be reverse-engineering he could be reverse-engineering we could be reverse-engineering you could be reverse-engineering they could be reverse-engineering |
Perfect | V-ing perfect |
I could have reverse-engineered you could have reverse-engineered he could have reverse-engineered we could have reverse-engineered you could have reverse-engineered they could have reverse-engineered | I could have been reverse-engineering you could have been reverse-engineering he could have been reverse-engineering we could have been reverse-engineering you could have been reverse-engineering they could have been reverse-engineering |
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I couldn't reverse-engineer you couldn't reverse-engineer he couldn't reverse-engineer we couldn't reverse-engineer you couldn't reverse-engineer they couldn't reverse-engineer | I couldn't be reverse-engineering you couldn't be reverse-engineering he couldn't be reverse-engineering we couldn't be reverse-engineering you couldn't be reverse-engineering they couldn't be reverse-engineering |
Perfect | V-ing perfect |
I couldn't have reverse-engineered you couldn't have reverse-engineered he couldn't have reverse-engineered we couldn't have reverse-engineered you couldn't have reverse-engineered they couldn't have reverse-engineered | I couldn't have been reverse-engineering you couldn't have been reverse-engineering he couldn't have been reverse-engineering we couldn't have been reverse-engineering you couldn't have been reverse-engineering they couldn't have been reverse-engineering |
Simple form | V-ing form |
could I reverse-engineer? could you reverse-engineer? could he reverse-engineer? could we reverse-engineer? could you reverse-engineer? could they reverse-engineer? | could I be reverse-engineering? could you be reverse-engineering? could he be reverse-engineering? could we be reverse-engineering? could you be reverse-engineering? could they be reverse-engineering? |
Perfect | V-ing perfect |
could I have reverse-engineered? could you have reverse-engineered? could he have reverse-engineered? could we have reverse-engineered? could you have reverse-engineered? could they have reverse-engineered? | could I have been reverse-engineering? could you have been reverse-engineering? could he have been reverse-engineering? could we have been reverse-engineering? could you have been reverse-engineering? could they have been reverse-engineering? |
Simple form | V-ing form |
couldn't I reverse-engineer? couldn't you reverse-engineer? couldn't he reverse-engineer? couldn't we reverse-engineer? couldn't you reverse-engineer? couldn't they reverse-engineer? | couldn't I be reverse-engineering? couldn't you be reverse-engineering? couldn't he be reverse-engineering? couldn't we be reverse-engineering? couldn't you be reverse-engineering? couldn't they be reverse-engineering? |
Perfect | V-ing perfect |
couldn't I have reverse-engineered? couldn't you have reverse-engineered? couldn't he have reverse-engineered? couldn't we have reverse-engineered? couldn't you have reverse-engineered? couldn't they have reverse-engineered? | couldn't I have been reverse-engineering? couldn't you have been reverse-engineering? couldn't he have been reverse-engineering? couldn't we have been reverse-engineering? couldn't you have been reverse-engineering? couldn't they have been reverse-engineering? |