Collocations for observe - verb

carefully, closely
precisely
directly
It is not possible to observe this phenomenon directly.

clearly
actually
It is the parents who actually observe these problems in their children.

just, simply
You can learn a lot by simply observing.

generally, normally, typically, usually
repeatedly
quietly
She stood there, quietly observing the domestic scene.

secretly
experimentally
This phenomenon has been observed experimentally.

recently

be able to
be possible to
be difficult to
be interesting to
It is interesting to observe the reaction of the children to these changes.

expect to
need to
get to
continue to

among
A similar pattern was observed among Hispanics.

for
The patient should be observed for signs of an allergic reaction.

from
unaware that she was being observed from the window

be commonly observed, be frequently observed, be widely observed
This ritual is commonly observed among several ethnic groups.

be easily observed, be readily observed
be occasionally observed, be rarely observed
an opportunity to observe sb/sth, time to observe sth

astutely, correctly, keenly, rightly, shrewdly
She correctly observed that there was very little difference between the two parties on domestic policies.

drily, wryly
coolly
‘You took your time,’ he observed coolly.

mildly, quietly
sadly
famously
The only certainties in this world, as Benjamin Franklin famously observed, are death and taxes.

to
‘It's easy to say that,’ she observed to Michael, ‘but can you prove it?’

correctly, faithfully, scrupulously, strictly
This procedure must be correctly observed.

fail to

failure to observe sth
Failure to observe club rules may result in expulsion.

Observe is used with these nouns as the subject:
researcher

Observe is used with these nouns as the object:
association, behaviour, ceasefire, change, class, condition, convention, correlation, custom, defect, difference, discrepancy, distribution, effect, expression, fast, festival, frequency, galaxy, improvement, increase, law, meeting, movement, phenomenon, precaution, progress, reduction, regulation, response, result, ritual, rule, sabbath, shift, silence, speed limit, surroundings, trend, variation