Sentence examples for Have been testing from inspiring English sources

These have been testing times at Fratton Park.

Other companies have been testing alternative fuel technologies.

But it's obvious that hackers have been testing the waters.

We have been testing this model in several ways.

Several countries have been testing teaching machines in classrooms.

Republican lawmakers have been testing different approaches to legalization.

The past few months have been testing times for them.

We have been tested.

Both of these hypotheses have been tested.

The fans have been tested.

So far, 8,000 have been tested.