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50
4.
The conflicting results
might have resulted
from the use of different enzymic
methods.
5.
These infants develop brain damage which
may have passed
unnoticed within
the first months of life.
6.
The substance found in the urine
might have been derived
from injured tissue.
7.
It is a general principle that drugs
should not be taken
during pregnancy.
8.
People with obesity
could have been
at risk from gallstones.
9.
Changes in insulin receptors
may have affected
ageing.
10.Attention
should have been given
to the detection of growth regulators.
11.The recent publication
could have been recommended
to all students and
research workers in the biological sciences.
12.There is a new group of drugs which
might have affected
the immune
processes.
74.
Составьте предложения, подбирая их части в разных колонках.
He
must
might
can’t
know your sister
be busy
be ill
be tired
be hungry
He
must
might
can’t
be
sleeping
working hard
watching TV
having dinner
playing football
He must
might
can’t
have forgotten your address
lost your book
missed the train
caught a cold
fallen ill
left the country
sold his computer
bought a car
75.
*Переведите предложения и определите формы инфинитива:
Indefinite Active Infinitive, Perfect Active Infinitive, Perfect Continuous
Active Infinitive, Perfect Passive Infinitive:
1.
Some biological defect might reside in hypothalamus.
2.
The defect may have been found.
3.
A nerve-regulating chemical might have influenced appetite regulation.
4.
Some injections must have caused reduced food intake.