The author spoke extensively with officials from every level of the federal government.

But he was the one who we spoke to most extensively.

He has spoken extensively about the disease and its effect on the family.

He wrote numerous books and spoke extensively regarding the subject.

So we spoke extensively last week of Java, yet again.

He speaks extensively of these notions in the press and at public events.

He speaks extensively at universities and colleges throughout the country.

She has spoken and written extensively about women's issues in the Gambia.

He speaks extensively in the United States and other countries.

We have spoken extensively about flexibility in labour market policy.