My main impression was that Israel is a liberal democracy.
My main impressions are that it is easy to use and displays information clearly.
His main impression so far was of a city with a small population.
But his main, overwhelming impression was of sheer awesome size.
The main impression was of a style and an attitude, vaguely linked to a product.
But the main impression I get from this picture is one of harmony.
The main impression that they leave behind is of boyishness.
But the main impression is of a bland, corporate Modernism.
Maybe, but the main impression is of a mournful abandonment.