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