'Would you like this candy or these desserts to follow the meal?'This is being used as an indicator for a singular item, and these is being used as an indicator for multiple items.See the related...
Use it's (with the apostrophe) only when you mean "it is" or "it has." For example: It's time to go. (It is time to go.)It's been a long time. (It has been a long time.) Use its (without the...
This depends solely on which pronoun is used prior to the verb "to have".
I am
you are
he/she is
it is
one is
we are
they are
You will need to memorize this as there is no rule to explain...