English verb conjugation
TO SUSTAIN

Regular verb: sustain - sustained - sustained

Indicative

Present	Present continuous	Preterite	Preterite continuous
I don't sustain you don't sustain she doesn't sustain we don't sustain you don't sustain they don't sustain	I'm not sustaining you aren't sustaining she isn't sustaining we aren't sustaining you aren't sustaining they aren't sustaining	I didn't sustain you didn't sustain she didn't sustain we didn't sustain you didn't sustain they didn't sustain	I wasn't sustaining you weren't sustaining she wasn't sustaining we weren't sustaining you weren't sustaining they weren't sustaining
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
I haven't sustained you haven't sustained she hasn't sustained we haven't sustained you haven't sustained they haven't sustained	I haven't been sustaining you haven't been sustaining she hasn't been sustaining we haven't been sustaining you haven't been sustaining they haven't been sustaining	I hadn't sustained you hadn't sustained she hadn't sustained we hadn't sustained you hadn't sustained they hadn't sustained	I hadn't been sustaining you hadn't been sustaining she hadn't been sustaining we hadn't been sustaining you hadn't been sustaining they hadn't been sustaining
Future	Future continuous	Future perfect	Future perfect continuous
I won't sustain you won't sustain she won't sustain we won't sustain you won't sustain they won't sustain	I won't be sustaining you won't be sustaining she won't be sustaining we won't be sustaining you won't be sustaining they won't be sustaining	I won't have sustained you won't have sustained she won't have sustained we won't have sustained you won't have sustained they won't have sustained	I won't have been sustaining you won't have been sustaining she won't have been sustaining we won't have been sustaining you won't have been sustaining they won't have been sustaining

Conditional

Present	Present continuous	Past	Past continuous
I wouldn't sustain you wouldn't sustain she wouldn't sustain we wouldn't sustain you wouldn't sustain they wouldn't sustain	I wouldn't be sustaining you wouldn't be sustaining she wouldn't be sustaining we wouldn't be sustaining you wouldn't be sustaining they wouldn't be sustaining	I wouldn't have sustained you wouldn't have sustained she wouldn't have sustained we wouldn't have sustained you wouldn't have sustained they wouldn't have sustained	I wouldn't have been sustaining you wouldn't have been sustaining she wouldn't have been sustaining we wouldn't have been sustaining you wouldn't have been sustaining they wouldn't have been sustaining

Infinitive

Imperative

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

Participle

Present	Past
sustaining	sustained