English verb conjugation
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	I am warning you are warning she is warning we are warning you are warning they are warning	I warned you warned she warned we warned you warned they warned	I was warning you were warning she was warning we were warning you were warning they were warning
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 she has been 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