to collapse
Regular verb: collapse - collapsed- collapsed

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I wouldn't collapse
you wouldn't collapse
he wouldn't collapse
we wouldn't collapse
you wouldn't collapse
they wouldn't collapse 	I wouldn't be collapsing
you wouldn't be collapsing
he wouldn't be collapsing
we wouldn't be collapsing
you wouldn't be collapsing
they wouldn't be collapsing	I wouldn't have collapsed
you wouldn't have collapsed
he wouldn't have collapsed
we wouldn't have collapsed
you wouldn't have collapsed
they wouldn't have collapsed	I wouldn't have been collapsing
you wouldn't have been collapsing
he wouldn't have been collapsing
we wouldn't have been collapsing
you wouldn't have been collapsing
they wouldn't have been collapsing	

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

Participle 	
Present 	Past 	 	 	
collapsing	collapsed