to warn
Regular verb: warn - warned- warned

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I warn
you warn
she warns
we warn
you warn
they warn 	Iamwarning
youarewarning
sheiswarning
wearewarning
youarewarning
theyarewarning	I warned
you warned
she warned
we warned
you warned
they warned	Iwaswarning
youwerewarning
shewaswarning
wewerewarning
youwerewarning
theywerewarning	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have warned
you have warned
she has warned
we have warned
you have warned
they have warned	I have been warning
you have been warning
shehasbeen warning
we have been warning
you have been warning
they have been warning	I had warned
you had warned
she had warned
we had warned
you had warned
they had warned	I had been warning
you had been warning
she had been warning
we had been warning
you had been warning
they had been warning	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will warn
you will warn
she will warn
we will warn
you will warn
they will warn 	I will be warning
you will be warning
she will be warning
we will be warning
you will be warning
they will be warning	I will have warned
you will have warned
she will have warned
we will have warned
you will have warned
they will have warned	I will have been warning
you will have been warning
she will have been warning
we will have been warning
you will have been warning
they will have been warning	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would warn
you would warn
she would warn
we would warn
you would warn
they would warn 	I would be warning
you would be warning
she would be warning
we would be warning
you would be warning
they would be warning	I would have warned
you would have warned
she would have warned
we would have warned
you would have warned
they would have warned	I would have been warning
you would have been warning
she would have been warning
we would have been warning
you would have been warning
they would have been warning	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to warn 	 	warn
Let's warn
warn 	 	

Participle 	
Present 	Past 	 	 	
warning	warned