Подчеркните сказуемое, определите его залог. 1.the new device had been tested in action by the end of the last month. 2. rails were. produced at a special electric welding shop. 3. this experimental work will have been completed by the beginning of the year. 4. the sapsan trains fully comply with the russian federation safety standards.
2 were produced - Past Simple Passive
3 will have been completed - Future Perfect Passive
4 comply - Present Simple Active