PAST CONTINOUS TENSE

While the dentist ________ (examine) the patient's teeth, the nurse was preparing the equipment.

a) examined

b) is examining

c) was examining

d) had examined

• examined

• is examining

• was examining

• had examined

The patient ________ (feel) nervous while waiting for the X-ray results.

a) felt

b) is feeling

c) was feeling

d) had felt

• felt

• is feeling

• was feeling

• had felt

The dental hygienist ________ (clean) the tools when the power went out.

a) cleaned

b) was cleaning

c) has cleaned

d) had cleaned

• cleaned

• was cleaning

• has cleaned

• had cleaned

While the dentist ________ (explain) the treatment options, the patient was taking notes.

a) explained

b) is explaining

c) was explaining

d) had explained

• explained

• is explaining

• was explaining

• had explained

The nurse ________ (prepare) the dental chair when the first patient arrived.

a) prepared

b) was preparing

c) prepares

d) had prepared

• prepared

• was preparing

• prepares

• had prepared

The patient ________ (experience) toothache all night before visiting the clinic.

a) experienced

b) was experiencing

c) experiences

d) had experienced

• experienced

• was experiencing

• experiences

• had experienced

When the dentist called, the receptionist ________ (schedule) new appointments for the next week.

a) schedules

b) scheduled

c) was scheduling

d) has scheduled

• schedules

• scheduled

• was scheduling

• has scheduled

The dental student ________ (practice) scaling techniques during the internship.

a) practiced

b) practices

c) was practicing

d) had practiced

• practiced

• practices

• was practicing

• had practiced

While the doctor ________ (review) the patient’s medical history, the patient was filling out forms.

a) reviewed

b) reviews

c) was reviewing

d) had reviewed

• reviewed

• reviews

• was reviewing

• had reviewed

The clinic ________ (operate) smoothly until the unexpected power outage occurred.

a) operated

b) is operating

c) was operating

d) had operated

• operated

• is operating

• was operating

• had operated