Определите в предложениях видо-временные формы глаголов и укажите их инфинитив:

1. Volgograd rose from its ashes more beautiful than before.

2. The entire country took part in the restoration of the hero-city.

3. The beautiful modern city of Volgograd is the best monument to the heroes who defended the city on the Volga during the Great Patriotic War.

1) rose - Past Indefinite Tense. Infinitive - to rise.

2) took part  - Past Indefinite Tense. Infinitive - to takt part.

3) is - Present Indefinite Tense. Infinitive - to be.

4) defended - Past Indefinite Tense. Infinitive - to defend.