Помогите пожалуйстаПоставьте глаголы в тексте в отрицательную форму при поддержки отрицательной

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Поставьте глаголы в тексте в отрицательную форму при поддержки отрицательной частицы not
Например:was-wasn't

History and future of the Internet he Internet technology was created by Vinton cerf in early 1973 as part of a project headed by Robert Kahn and conducted by the Advanced Pr Research Agency, part of the United States Department of Defense) Later Cerf мейд many efforts to build and standardize the Internet An 10g4 the technology and the network were turned over to the private sector and to government scientific agencies for further development (The growth has continued exponentially Service provider companies that make "gateways" to the Internet available to home and business user enter the market in ever increasing numbers.