main, major
foreign, overseas
Australian, Japanese, etc.
cheap, low-priced (esp. AmE)
expensive
annual
The value of annual imports rose rapidly.

net
the UK's net imports of food

total
increased
illegal
parallel (esp. BrE)
parallel imports of brand name drugs from Spain into other countries

agricultural, beef, car, coal, energy, food, grain, oil, steel, textile, etc.

boost
pressure on the government to stimulate the faltering economy and boost imports

cut, limit, reduce, restrict
discourage
control
block, halt, prevent, stop
ban, prohibit
The government decided to prohibit the import of toxic waste.

allow, permit
finance
Most of their oil revenues are used to finance imports of consumer goods.

replace
The industry aims both to increase exports and replace imports.

grow, increase, rise
drop, fall
be valued at sth, total sth
Imports were valued at £516 million last month.

account for sth
Imports of foodstuffs accounted for a small proportion of total imports.

ban, control (esp. BrE), restrictions
duty, tariff
price
rising import prices

licence/license
quota
A restricted import quota was set for meat products.

penetration
greater import penetration of the domestic market

import from
America has cut its oil imports from the Middle East by 73%.

import into
Special duties were imposed on imports into the republic.

a ban on imports, a restriction on imports
the demand for imports
a fall in imports, a rise in imports
imports and exports

directly
illegally, legally
specially

from
The store's croissants are imported directly from France.

into
These dogs are illegally imported into the country.

to
goods that are imported to Britain

Import is used with these nouns as the subject:
country

Import is used with these nouns as the object:
file, food, goods, oil, product, slave, waste