to yack
Regular verb: yack - yacked- yacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't yack
you don't yack
he doesn't yack
we don't yack
you don't yack
they don't yack 	I'mnot yacking
youaren't yacking
heisn't yacking
wearen't yacking
youaren't yacking
theyaren't yacking	I didn't yack
you didn't yack
he didn't yack
we didn't yack
you didn't yack
they didn't yack 	Iwasn't yacking
youweren't yacking
hewasn't yacking
weweren't yacking
youweren't yacking
theyweren't yacking	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't yacked
you haven't yacked
he hasn't yacked
we haven't yacked
you haven't yacked
they haven't yacked	I haven't  been yacking
you haven't  been yacking
he hasn't  been yacking
we haven't  been yacking
you haven't  been yacking
they haven't  been yacking	I hadn't yacked
you hadn't yacked
he hadn't yacked
we hadn't yacked
you hadn't yacked
they hadn't yacked	I hadn't been yacking
you hadn't been yacking
he hadn't been yacking
we hadn't been yacking
you hadn't been yacking
they hadn't been yacking	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't yack
you won't yack
he won't yack
we won't yack
you won't yack
they won't yack 	I won't be yacking
you won't be yacking
he won't be yacking
we won't be yacking
you won't be yacking
they won't be yacking	I won't have yacked
you won't have yacked
he won't have yacked
we won't have yacked
you won't have yacked
they won't have yacked	I won't have been yacking
you won't have been yacking
he won't have been yacking
we won't have been yacking
you won't have been yacking
they won't have been yacking	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I wouldn't yack
you wouldn't yack
he wouldn't yack
we wouldn't yack
you wouldn't yack
they wouldn't yack 	I wouldn't be yacking
you wouldn't be yacking
he wouldn't be yacking
we wouldn't be yacking
you wouldn't be yacking
they wouldn't be yacking	I wouldn't have yacked
you wouldn't have yacked
he wouldn't have yacked
we wouldn't have yacked
you wouldn't have yacked
they wouldn't have yacked	I wouldn't have been yacking
you wouldn't have been yacking
he wouldn't have been yacking
we wouldn't have been yacking
you wouldn't have been yacking
they wouldn't have been yacking	

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

Participle 	
Present 	Past 	 	 	
yacking	yacked