to sustain
Regular verb: sustain - sustained- sustained

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I sustain
you sustain
she sustains
we sustain
you sustain
they sustain 	Iamsustaining
youaresustaining
sheissustaining
wearesustaining
youaresustaining
theyaresustaining	I sustained
you sustained
she sustained
we sustained
you sustained
they sustained	Iwassustaining
youweresustaining
shewassustaining
weweresustaining
youweresustaining
theyweresustaining	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have sustained
you have sustained
she has sustained
we have sustained
you have sustained
they have sustained	I have been sustaining
you have been sustaining
shehasbeen sustaining
we have been sustaining
you have been sustaining
they have been sustaining	I had sustained
you had sustained
she had sustained
we had sustained
you had sustained
they had sustained	I had been sustaining
you had been sustaining
she had been sustaining
we had been sustaining
you had been sustaining
they had been sustaining	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will sustain
you will sustain
she will sustain
we will sustain
you will sustain
they will sustain 	I will be sustaining
you will be sustaining
she will be sustaining
we will be sustaining
you will be sustaining
they will be sustaining	I will have sustained
you will have sustained
she will have sustained
we will have sustained
you will have sustained
they will have sustained	I will have been sustaining
you will have been sustaining
she will have been sustaining
we will have been sustaining
you will have been sustaining
they will have been sustaining	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would sustain
you would sustain
she would sustain
we would sustain
you would sustain
they would sustain 	I would be sustaining
you would be sustaining
she would be sustaining
we would be sustaining
you would be sustaining
they would be sustaining	I would have sustained
you would have sustained
she would have sustained
we would have sustained
you would have sustained
they would have sustained	I would have been sustaining
you would have been sustaining
she would have been sustaining
we would have been sustaining
you would have been sustaining
they would have been sustaining	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sustain 	 	sustain
Let's sustain
sustain 	 	

Participle 	
Present 	Past 	 	 	
sustaining	sustained