Определить видовременные формы глаголов и указать их инфинитив в ниже приведенных предложениях: 1) This student took

1. This student took an active part in the public life of his Institute. Took (to take) - Past Simple. 2. The achievements in our science will provide for the progress in our economy. Will provide (to provide) - Future Simple. 3. Our machine-builders use the latest technical achievements in their work. Use (to use) - Present Simple. 4. The extra-mural students received paid leaves for their exams. Received (to receive) - Past Simple.