informal / formal
Can you please....
Could you please...
I arrived to the station at eight o'clock.
I arrived AT the station at eight o'clock.
I really love listening music
I really love listening to TO music
Feel free to...
Do not hesitate to....
She has twenty years old.
She IS twenty years old
Reference to your email sent April 4th
WITH reference to your email sent April 4th
As asked
As requested
I do my English homeworks everyday
I do my English HOMEWORK everyday
We writing to inform you that
we ARE writing to inform you that
Let us know if you're coming
Could you please coonfirm your attendance
I'm thinking of to move to London
I'm thinking of MOVING to London
I look forward hearing from you soon
I look forward TO hearing from you soon
Hope to hear from you soon
I look forward to your reply
Are you agree with me?
DO you agree with me
I apologise the delay
I apologise FOR the delay