Grammar fix

get down to

start focusing on

to begin giving serious attention or effort to something, especially after a delay or distraction.

phrasal verbB1common

Hear it in context

Notice where the phrase sounds natural.

After chatting for a while, we finally got down to business.daily life
In my opinion, when students get down to studying early, they usually achieve better results.IELTS speaking

Pattern: get down to + noun/gerund

WrongIt's time to get down to study.

RightIt's time to get down to studying. / get down to work.

'Get down to' takes a noun or '-ing', not a bare verb.

Patternget down to + noun/gerund

Choose the version that sounds natural in speech.

Stiff We ought to commence serious work on the project now.

Natural Right, let's get down to work.

'Get down to' is the natural phrase for buckling down; 'commence serious work on' is ceremonial.

Words that usually travel with it.

Do not confuse with 'get down' (to lower yourself physically or to dance). 'Get down to' always involves starting to focus on a task.