1.Поставьте глагол to be или глагол to have в нужную временную форму.
1) We (to be) at the University yesterday.
2) I (to be) at the library tomorrow.
3) I (to be) a medical student now.
4) He (to have) a lecture in Physiology yesterday.
5) My father and my mother (to be) doctors.
6) I (to have) a seminar in Histology next Friday.
7) I (to be) a doctor when I grow up.
8) My sister (to be) ill last week.
9) It (to be) difficult to study at the University.
2.Выберите соответствующую форму существительного-подлежащего, определив его число по форме сказуемого.
1) (Bacterium/ Bacteria) show a number of different shapes and forms.
2) The (nucleus/ nuclei) of radioactive atoms emit alpha or beta rays.
3) The (pneumococcus/ pneumococci) has its special effect on the lungs.
4) The seven cervical (vertebra/vertebrae) are the smallest in the vertebral column.
5) Small (embolus/ emboli) plug pulmonary arteries.
6) (Paralysis/ Paralyses) results from damage to parts of the nervous system
1) We were at the University yesterday
2)I will be at the library tomorrow
3) I'm a medical student now
4)He had a lecture in Psychology yesterday
5)My mother and my father are a doctors
6) I will have a seminar in History next Friday
7)I will be a doctor when I grow up
8)My sister was ill last week
9)It will be (was) difficult to study at the University