WORK AT + Verb-ing – English Grammar Profiler
In the English Vocabulary Profile at B2:
work at sth = to try hard to achieve something
A search in the NOW corpus for:
WORK at _VVG

1 WORK AT GETTING 170 2 WORK AT MAKING 156 3 WORKS AT EXPERIENCING 126 4 WORKING AT GETTING 118 5 WORK AT KEEPING 94 6 WORK AT BUILDING 83 7 WORK AT IMPROVING 76 8 WORKING AT MAKING 71 9 WORK AT REDUCING 64
10 WORKING AT ENSURING 63
The government of India is working at ensuring the right information is sent to people about the disease.
digit.in
11 WORK AT FINDING 60 12 WORK AT CREATING 56 13 WORK AT ENSURING 52 14 WORK AT PREVENTING 49 15 WORKING AT IMPROVING 47 16 WORK AT DEVELOPING 39 17 WORK AT BECOMING 38 18 WORKING AT BUILDING 38 19 WORK AT TRYING 37 20 WORKED AT GETTING 36 21 WORKING AT BECOMING 34 22 WORK AT ACHIEVING 33 23 WORK AT CHANGING 33 24 WORKING AT FINDING 32 25 WORK AT BRINGING 31
26 WORK AT MAINTAINING 31
Regardless, they try to stay positive and work at maintaining their career.
Taste of Country
27 WORKED AT MAKING 30 28 WORK AT HELPING 28 29 WORKING AT TRYING 27 30 WORK AT PUTTING 26 31 WORKING AT CREATING 26 32 WORKING AT REDUCING 26 33 WORKING AT DEVELOPING 25 34 WORK AT PROVIDING 24 35 WORK AT STRENGTHENING 24 36 WORKED AT IMPROVING 24 37 WORKED AT KEEPING 24 38 WORKING AT RESOLVING 24 39 WORKING AT UNDERSTANDING 24 40 WORKED AT LEADING 23 41 WORK AT STAYING 22 42 WORK AT RUNNING 20 43 WORK AT SOLVING 20 44 WORK AT ESTABLISHING 19 45 WORKING AT ACHIEVING 18 46 WORKS AT PROCESSING 18 47 WORK AT PROMOTING 17 48 WORK AT RAISING 17 49 WORKS AT KEEPING 17
50 WORK AT PLUGGING 16