to sum
Regular verb: sum - summed- summed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I do not sum
you do not sum
she doesnot sum
we do not sum
you do not sum
they do not sum 	Iamnot summing
youarenot summing
sheisnot summing
wearenot summing
youarenot summing
theyarenot summing	I did not sum
you did not sum
she did not sum
we did not sum
you did not sum
they did not sum 	Iwasnot summing
youwerenot summing
shewasnot summing
wewerenot summing
youwerenot summing
theywerenot summing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have not summed
you have not summed
shehasnot summed
we have not summed
you have not summed
they have not summed	I have not  been summing
you have not  been summing
shehasnot  been summing
we have not  been summing
you have not  been summing
they have not  been summing	I had not summed
you had not summed
she had not summed
we had not summed
you had not summed
they had not summed	I had not been summing
you had not been summing
she had not been summing
we had not been summing
you had not been summing
they had not been summing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will not sum
you will not sum
she will not sum
we will not sum
you will not sum
they will not sum 	I will not be summing
you will not be summing
she will not be summing
we will not be summing
you will not be summing
they will not be summing	I will not have summed
you will not have summed
she will not have summed
we will not have summed
you will not have summed
they will not have summed	I will not have been summing
you will not have been summing
she will not have been summing
we will not have been summing
you will not have been summing
they will not have been summing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would not sum
you would not sum
she would not sum
we would not sum
you would not sum
they would not sum 	I would not be summing
you would not be summing
she would not be summing
we would not be summing
you would not be summing
they would not be summing	I would not have summed
you would not have summed
she would not have summed
we would not have summed
you would not have summed
they would not have summed	I would not have been summing
you would not have been summing
she would not have been summing
we would not have been summing
you would not have been summing
they would not have been summing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sum 	 	do not sum
Let's not sum
do not sum 	 	

Participle 	
Present 	Past 	 	 	
summing	summed