Помогите, пожалйста, задать вопросы к данным предложениям:

1. Considerable changes are currently taking place in the organization of research.

2. Science is becoming a leading factor of progress of mankind.

3. The world of physical theory is developing at a very high rate.

4. The holography technique is becoming very popular in electronics.

1.Are considerable changes currently taking place in the organization of research?(Тут ARE есть,значит вопрос начинается с него)

2.Is science becoming a leading factor of progress of mankind?(Тут IS.)

3.Is the world of phisical theory developing at a very high rate?(Тут тоже Is)

4.Is the holography technique becoming very popular in electronics?

ARE,IS-это такие частицы которые перепрыгивают вперед при вопросе.