Sentence examples for become obligatory from inspiring English sources

But things don't become obligatory.

Still, certain conventions become obligatory over time.

It appears to have become obligatory to describe Dubuisson as enigmatic.

Mr Rauch's book should become obligatory reading for all.*In 1995-96.

Since then, doubting the capability of any representational system to convey naked truth has become obligatory in academic circles.

At Pingxiang's Mingde Primary School, since last year synchronised Plum Flower Boxing drills in the playground have become obligatory.

But functional requirement becomes obligatory.

It became obligatory for Tennessee politicians running for office to pose for campaign pictures with him.

So the stylistic character of SMS writing changed, and texting abbreviations, previously optional, became obligatory.

"It only became obligatory for Parisian masters to sign their works after 1755," he said.

But it became obligatory last April for them to levy them on any trust missing any target.