Question

There is a nice smell in the kitchen. Ann seems to be cooking something delicious.

В кухне хорошо пахнет. Кажется, Аня готовит что-то вкусное.

Seems to be cooking
Нельзя ли?:
Seems is cooking ?

Answer 1

Так точно нельзя
Может: It seems Ann is cooking something delicious

Answer 2

это инфинитивный оборот-сложное подлежащее. The Nominative with the Infinitive.
to be cooking-Continuous Active Infinitive.