Предложение поставить во времена Present, Past, Future Indefinite; Present, Past, Future Continuous; Present, Past, Future

The tools and analyses of microeconomics provide a common ground.

The tools and analyses of microeconomics provided a common ground.

The tools and analyses of microeconomics will provide a common ground.

The tools and analyses of microeconomics is providing a common ground.

The tools and analyses of microeconomics was providing a common ground.

The tools and analyses of microeconomics will be providing a common ground.

The tools and analyses of microeconomics have provided a common ground.

The tools and analyses of microeconomics had provided a common ground.

The tools and analyses of microeconomics will have provided a common ground.

The tools and analyses of microeconomics have been providing a common ground.

The tools and analyses of microeconomics had been providing a common ground.

The tools and analyses of microeconomics will have been providing a common ground.