Question

advice problems
make up three different situations that require and expert to get some recommendations to solve the problem.
english words used for permission:
can
allowed
may
permited
whats the Difference?
The word "to" is used after allowed and permitted are more formal, and allowed is both formal and informal.
for the past and future of "can," you can use could/was allowed (in the past) and will be allowed (in future):
When I was a kid, I was allowed to stay up until 11 PM on Friday nights.
We‘ll be allowed to check two suitcases on the flight.
Obligation = It’s Necessary
English Phrases - Required
You have to show your photo ID.
English words used for obligation:
 have to
 need to
 must
 required
What’s the difference?
Must and required are more formal than have to and need to.
Don’t use “to” after “must.”
Supposed to / Not supposed to
You can use these words for “light” requirements and prohibitions – for example, rules
that are often not followed.
We’re supposed to arrive on time, but it’s OK if we’re a little late. Our boss is pretty
relaxed.
The employees aren’t supposed to eat lunch at their desks, but a lot of them do so
anyway.
Prohibition = It’s Not OK
English Phrases - Prohibited
You’re not allowed to swim here.
English words used for prohibition:
 can’t
 mustn’t
 not allowed
 not permitted
What’s the difference?
Can’t is more informal, mustn’t and not permitted are more formal, and not allowed is
both formal and informal.
Don’t use “to” after “mustn’t.”
Pronunciation
The first “t” in “mustn’t” is silent!
No Obligation = It’s Not Necessary
English Phrases - Optional
You don’t need to wear shoes here.
English words used for no obligation:
 don’t have to
 don’t need to
 not necessary
 not required
 optional
What’s the difference?
Don’t have to and don’t need to are more informal. Not necessary, not required, and
optional are more formal.

Answer 1

edxplicate bien esto no es una pregunta es una frase pero donde esta esta la pregunta