If they are in fact waiting there, it is perfectly correct to say so.
Get on the train.
It is correct to say "On the train" when you are inside it. This is also known as being 'on board' the train.
The correct English is the train leaves for Milan.
Yes. It is correct to say that the 7 train transfer to the PATH train.
If you are indeed responsible for the delay, then it is obviously correct to say so.
"I said to him" is a grammatically correct sentence fragment since "said" is still waiting for its direct object. You said what to him? "I said "to him". would be a grammatically correct sentence.
"I am waiting".
Yes, but if you write that sentence you need to use proper capitalization. I is always capitalized.
No, it is not correct to say "feedbacks." The correct word is "feedback" whether you are referring to a single piece of feedback or multiple points of feedback.
How do you say waiting to meet you in spanish?
"I am waiting" is "(minä) odotan".
to say train in samoa u have to say popo??