We have not studied all the words of this text yet.
She had finished the test before I came.
The Renaissance started in Italy in the 14th century.
English in the USA differs considerably from British English.
English developed from Anglo-Saxon.
He was looking through a newspaper when I rang up.
Main attention is paid to the English language.
Many Latin words were borrowed during the Romans' invasion.
The essay is being written at the moment.
When he came into the auditorium some questions of cultural diversity were being discussed.
The text has been translated already.
The work will be completed tomorrow.
The work had been completed by 5 o'clock yesterday.