In this video, Mr. Jenkins says
I'm used to working under pressure.
There is a strong temptation to say
I'm used to work under pressure.
The problem is the to in the
phrase am used to. It looks
as though it is the infinitive, but
it isn't. "To" in this phrase
is a preposition. We can say
sentences such as I am used to
Spanish food or I'm not used
to the climate. But, if we put a
verb after the phrase "I am used
to", the verb must go into the