can tree
Verbo regolare: tree - treed- treed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can tree
you can tree
she can tree
we can tree
you can tree
they can tree 	I can be treeing
you can be treeing
she can be treeing
we can be treeing
you can be treeing
they can be treeing	I can have treed
you can have treed
she can have treed
we can have treed
you can have treed
they can have treed	I can have been treeing
you can have been treeing
she can have been treeing
we can have been treeing
you can have been treeing
they can have been treeing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot tree
you cannot tree
she cannot tree
we cannot tree
you cannot tree
they cannot tree 	I cannot be treeing
you cannot be treeing
she cannot be treeing
we cannot be treeing
you cannot be treeing
they cannot be treeing	I cannot have treed
you cannot have treed
she cannot have treed
we cannot have treed
you cannot have treed
they cannot have treed	I cannot have been treeing
you cannot have been treeing
she cannot have been treeing
we cannot have been treeing
you cannot have been treeing
they cannot have been treeing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I tree?
can you tree?
can she tree?
can we tree?
can you tree?
can they tree? 	can I be treeing?
can you be treeing?
can she be treeing?
can we be treeing?
can you be treeing?
can they be treeing? 	can I have treed?
can you have treed?
can she have treed?
can we have treed?
can you have treed?
can they have treed? 	can I have been treeing?
can you have been treeing?
can she have been treeing?
can we have been treeing?
can you have been treeing?
can they have been treeing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not tree?
can you not tree?
can she not tree?
can we not tree?
can you not tree?
can they not tree? 	can I not be treeing?
can you not be treeing?
can she not be treeing?
can we not be treeing?
can you not be treeing?
can they not be treeing? 	can I not have treed?
can you not have treed?
can she not have treed?
can we not have treed?
can you not have treed?
can they not have treed? 	can I not have been treeing?
can you not have been treeing?
can she not have been treeing?
can we not have been treeing?
can you not have been treeing?
can they not have been treeing?