VERBS

be, look, prove, seem
make sth
find sth
We find advertising on the radio very effective

ADV

brilliantly, especially, extremely, highly, particularly, really, remarkably, very
a highly effective technique
completely, fully, perfectly
increasingly
fairly, moderately, partially, pretty, quite, rather, reasonably
enough
This method is effective enough with greenfly
not sufficiently
immediately
potentially
devastatingly, powerfully, surprisingly
Sneezes are devastatingly effective at spreading infection
politically
What makes a TV programme politically effective?

PREP

at
effective at keeping out the wind
in
effective in helping people to stop smoking

VERBS

be
become
remain

ADV

fully
partially
directly, immediately
directly effective treaty provisions
legally