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It's necessary to receive training.
adj.
to do
We use “It is+ + sth. ” to express what we
think about something.
It is + adj. + to do sth.
important
wonderful
necessary
interesting
fantastic
meaningful
…
to do something for it
to provide water for players
to meet new friends
to help players
to join in this charity activity
to make the event successful
…
To do sth is +adj.
__________________
__________________
(good/blind people/
cross the road)
donate give help keep plant take care of
___________________
___________________
(right/seats/the elderly/to)
It’s right to give seats