English verb conjugation
TO OBSERVE

Regular verb: observe - observed - observed

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I observe? don't you observe? doesn't she observe? don't we observe? don't you observe? don't they observe?	am I not observing? aren't you observing? isn't she observing? aren't we observing? aren't you observing? aren't they observing?	didn't I observe? didn't you observe? didn't she observe? didn't we observe? didn't you observe? didn't they observe?	wasn't I observing? weren't you observing? wasn't she observing? weren't we observing? weren't you observing? weren't they observing?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I observed? haven't you observed? hasn't she observed? haven't we observed? haven't you observed? haven't they observed?	haven't I been observing? haven't you been observing? hasn't she been observing? haven't we been observing? haven't you been observing? haven't they been observing?	hadn't I observed? hadn't you observed? hadn't she observed? hadn't we observed? hadn't you observed? hadn't they observed?	hadn't I been observing? hadn't you been observing? hadn't she been observing? hadn't we been observing? hadn't you been observing? hadn't they been observing?
Future	Future continuous	Future perfect	Future perfect continuous
won't I observe? won't you observe? won't she observe? won't we observe? won't you observe? won't they observe?	won't I be observing? won't you be observing? won't she be observing? won't we be observing? won't you be observing? won't they be observing?	won't I have observed? won't you have observed? won't she have observed? won't we have observed? won't you have observed? won't they have observed?	won't I have been observing? won't you have been observing? won't she have been observing? won't we have been observing? won't you have been observing? won't they have been observing?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I observe? wouldn't you observe? wouldn't she observe? wouldn't we observe? wouldn't you observe? wouldn't they observe?	wouldn't I be observing? wouldn't you be observing? wouldn't she be observing? wouldn't we be observing? wouldn't you be observing? wouldn't they be observing?	wouldn't I have observed? wouldn't you have observed? wouldn't she have observed? wouldn't we have observed? wouldn't you have observed? wouldn't they have observed?	wouldn't I have been observing? wouldn't you have been observing? wouldn't she have been observing? wouldn't we have been observing? wouldn't you have been observing? wouldn't they have been observing?

Infinitive

Imperative

Infinitive		Imperative
to observe		- - -

Participle

Present	Past
observing	observed