Sentence examples for have existed since from inspiring English sources

Both have existed since 2010.

The condition must have existed since childhood.

Modern rapid transit systems have existed since the 19th century.

Inns have existed since very ancient times to serve merchants and other travelers.

Stapling devices have existed since at the least the French court of Louis XV.

" Those fears have existed since humans began to transplant genes in crops.

Some of those units may have existed since the 1970's.

These technologies, when it comes to trains, have existed since long before the private automobile.

Many have existed since the start of the epidemic; others developed later.

These problems have existed since way before cell phones, but the L.I.R.R. has largely ignored them.

Flamenco music and dance have existed since the eighteenth century, and today it's a tradition around the globe.