State the difference in meaning>>

[1Raneen1]

could you help me please??


State the difference in meaning between

#I regret to tell you.
# I regret telling you.

*You need not have brougt your car.
*You did not need to bring your car.

#I will not foget to talk to the teacher.
#I will not foget talking to the teacher.

*He has been to Paris.
*He has gone to Paris.

#You are to arrive early.
#You must arrive early.
#You ought to arrive early.

[heidita]

HI Raneen, we do not DO homework here but help with it. Can you have a go at it first? I am sure your teacher gave you an explanation.