1.   Even regular taxi drivers should be closely watched.

2.   Generally, these differ from regular taxi services by not being available on call.

3.   In big cities, some parents have used regular taxis to transport their children.

4.   The regular taxi riders did not always accept the day of almost no taxis with equanimity.

5.   The U.S. Embassy has warned tourists not to take regular street taxis in Mexico City, because some drivers have robbed and assaulted their passengers.

6.   Livery cabs are supposed to be summoned by a phone call to the company, unlike regular yellow taxis that are hailed on the street.

7.   Regular taxis were crammed.