could goad
Regular verb: goad - goaded- goaded

Affirmation 	
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I could goad
you could goad
he could goad
we could goad
you could goad
they could goad 	I could be goading
you could be goading
he could be goading
we could be goading
you could be goading
they could be goading	I could have goaded
you could have goaded
he could have goaded
we could have goaded
you could have goaded
they could have goaded	I could have been goading
you could have been goading
he could have been goading
we could have been goading
you could have been goading
they could have been goading	

Negation 	
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I couldn't goad
you couldn't goad
he couldn't goad
we couldn't goad
you couldn't goad
they couldn't goad 	I couldn't be goading
you couldn't be goading
he couldn't be goading
we couldn't be goading
you couldn't be goading
they couldn't be goading	I couldn't have goaded
you couldn't have goaded
he couldn't have goaded
we couldn't have goaded
you couldn't have goaded
they couldn't have goaded	I couldn't have been goading
you couldn't have been goading
he couldn't have been goading
we couldn't have been goading
you couldn't have been goading
they couldn't have been goading	

Interrogative form 	
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could I goad?
could you goad?
could he goad?
could we goad?
could you goad?
could they goad? 	could I be goading?
could you be goading?
could he be goading?
could we be goading?
could you be goading?
could they be goading? 	could I have goaded?
could you have goaded?
could he have goaded?
could we have goaded?
could you have goaded?
could they have goaded? 	could I have been goading?
could you have been goading?
could he have been goading?
could we have been goading?
could you have been goading?
could they have been goading? 	

Interro-negative form 	
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couldn't I goad?
couldn't you goad?
couldn't he goad?
couldn't we goad?
couldn't you goad?
couldn't they goad? 	couldn't I be goading?
couldn't you be goading?
couldn't he be goading?
couldn't we be goading?
couldn't you be goading?
couldn't they be goading? 	couldn't I have goaded?
couldn't you have goaded?
couldn't he have goaded?
couldn't we have goaded?
couldn't you have goaded?
couldn't they have goaded? 	couldn't I have been goading?
couldn't you have been goading?
couldn't he have been goading?
couldn't we have been goading?
couldn't you have been goading?
couldn't they have been goading?