определите способ словообразования каждого слова
Отозвались-
Плясуны-
Хороводы-
Полушалки-
Поближе-

помогите поставить глаголы в  в Present Perfekt Tense.

  They...... (to go) to the Natural History Museum this week.

..... Mary..... (to take) her younger brother to the Zoo yet?.

Sue.... (already/ to visit) the exhibition in the Art gallery.

You.... (already/ to watch) a documentary about  wild animals today.

We ...... (not /to be) at the disco this month.