Regular verb: carburize - carburized - carburized
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I could carburize you could carburize he could carburize we could carburize you could carburize they could carburize | I could be carburizing you could be carburizing he could be carburizing we could be carburizing you could be carburizing they could be carburizing |
Perfect | V-ing perfect |
I could have carburized you could have carburized he could have carburized we could have carburized you could have carburized they could have carburized | I could have been carburizing you could have been carburizing he could have been carburizing we could have been carburizing you could have been carburizing they could have been carburizing |
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I couldn't carburize you couldn't carburize he couldn't carburize we couldn't carburize you couldn't carburize they couldn't carburize | I couldn't be carburizing you couldn't be carburizing he couldn't be carburizing we couldn't be carburizing you couldn't be carburizing they couldn't be carburizing |
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I couldn't have carburized you couldn't have carburized he couldn't have carburized we couldn't have carburized you couldn't have carburized they couldn't have carburized | I couldn't have been carburizing you couldn't have been carburizing he couldn't have been carburizing we couldn't have been carburizing you couldn't have been carburizing they couldn't have been carburizing |
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could I carburize? could you carburize? could he carburize? could we carburize? could you carburize? could they carburize? | could I be carburizing? could you be carburizing? could he be carburizing? could we be carburizing? could you be carburizing? could they be carburizing? |
Perfect | V-ing perfect |
could I have carburized? could you have carburized? could he have carburized? could we have carburized? could you have carburized? could they have carburized? | could I have been carburizing? could you have been carburizing? could he have been carburizing? could we have been carburizing? could you have been carburizing? could they have been carburizing? |
Simple form | V-ing form |
couldn't I carburize? couldn't you carburize? couldn't he carburize? couldn't we carburize? couldn't you carburize? couldn't they carburize? | couldn't I be carburizing? couldn't you be carburizing? couldn't he be carburizing? couldn't we be carburizing? couldn't you be carburizing? couldn't they be carburizing? |
Perfect | V-ing perfect |
couldn't I have carburized? couldn't you have carburized? couldn't he have carburized? couldn't we have carburized? couldn't you have carburized? couldn't they have carburized? | couldn't I have been carburizing? couldn't you have been carburizing? couldn't he have been carburizing? couldn't we have been carburizing? couldn't you have been carburizing? couldn't they have been carburizing? |