ADV
- carefully, closely
- precisely
- directly
- It is not possible to observe this phenomenon directly, but its effects can be seen in the rise in global temperatures
- actually
- It is the parents who actually observe these behavioural problems in their children
- just, simply
- You can learn a lot by simply observing
- generally, normally
- quietly
- She stood there, quietly observing the domestic scene
- secretly
- experimentally
- This phenomenon has been observed experimentally
VERB + OBSERVE
- be able to
- be possible
- be difficult to
- be interesting to
- It is interesting to observe the reaction of the children to these changes
PREP
- from
- unaware that she was being observed from the window
PHRASES
- be commonly/frequently/widely observed
- This behaviour is commonly observed among several species of finch
- be easily/readily observed, an opportunity to observe sb/sth
ADV
- correctly, justly, rightly, shrewdly
- She correctly observed that there was very little difference between the two parties on domestic policies
- drily, sardonically, wryly
- tartly
- coldly, coolly
- 'You took your time,' he observed coolly
- conversationally
- mildly, quietly
- sadly
PREP
- to
- ' It's easy for him to say that, 'she observed tartly to Michael,' but can he prove it? '
ADV
- correctly, faithfully, scrupulously, strictly
- This procedure must be correctly observed
PHRASES
- failure to observe sth
- Failure to observe club rules may result in expulsion