Определите видовременную форму глаголов и укажите их инфинитив. 1. The advantages of the high-speed ground transport are obvious. 2. Steel replaced iron everywhere in the rail construction .
1. The advantages of the high-speed ground transport are ( Present Simple Active Voice; to be- инфинитив) obvious.
2. Steel replaced ( Past Simple Active Voice ; to replace - инфинитив ) iron everywhere in the rail construction
1 present simple - to be
2 past simple - to replace