to observe
Regular verb: observe - observed- observed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I observe?
don't you observe?
doesn't he observe?
don't we observe?
don't you observe?
don't they observe? 	amI not observing?
aren't you observing?
isn't he observing?
aren't we observing?
aren't you observing?
aren't they observing? 	didn't I observe?
didn't you observe?
didn't he observe?
didn't we observe?
didn't you observe?
didn't they observe? 	wasn't I observing?
weren't you observing?
wasn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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