Сгруппируйте слова по их временным формам:

Simple Active, Simple Passive, Progressive Active, Perfect Active, Perfect Passive.

took  was taking  had taken;

was done was doing had been done;

appears is appearing  has appeared;

are valued  have been valued.

Simple Active, Simple Passive, Progressive Active, Perfect Active, Perfect Passive.

took -Simple Active

was taking  - Progressive Active

had taken-Perfect Active

was done - Simple Passive

was doing-Progressive Active

had been done - Perfect Passive.

appears-Simple Active

is appearing -Progressive Active

has appeared; -Perfect Active

are valued - Simple Passive

 have been valued.-Perfect Passive.