101.   Each day, they called those companies, checking to see if any apartments were about to be available.

102.   Every microsecond, electronic sensors and computer logic check to see that the car is going in the direction it is being steered.

103.   Every time that waiter returned to the kitchen, Ms. Ruiz checked to see whether the president cleaned his plate.

104.   For the first time, media members will be checked to see if the number on their credential matches the one issued in their name.

105.   For you, have the furnace humidifier checked to see if it is working and how well.

106.   For instance, it is common at tax time to run software that checks to see if an income is above a certain level.

107.   Foreign nationals get student, tourist and business visas, but the INS rarely checks to see whether they actually are studying, touring or doing business.

108.   Have you checked to see whether other peers have faced the same problem and managed to resolve it?

109.   Have someone else check to see if the flue liner is really falling apart.

110.   He checked to see that pagers and cellular phones were operating.