Formas contínuas em inglês: Como utilizar?

boa noite,

alguem saberia me informar a diferença do continuous infinitive, continuous form, continuous passive?
me deparei com este exercicio e tive problemas:

Look at the verbs in bold. Find examples of:
a simple form
the furure continuous
a continuous infinitive
a continuous form
a continuous passive
the present perfect continuous

a) Everywhere you go nowadays people seem to be speaking English

b) Many experts are worried because so many languages in the world are disappearing.

c) Every city centre seems the same these days.

d) Old buildings are being pulled down and replaced by ugly new ones.

e) Another new shopping mall is coming soon.

f) Beijing may well be changing faster than any other city on earth.

g) When I was growing up there were no fast food chains in my town.

h) Advertisers are always trying to sell us some new brand of clothes or treiners.

i) In thirty years' time I don't suppose anyone will be wearing traditional dress.

j) Reacently the government have been taking measures to preserve the local way of life.

Obrigada