After eating lunch at the cafeteria, Ben went to the gym to have a swim. You need to place a comma after the word cafeteria to separate these two sentences.
Due to the damage caused by the storm, the ferry will not be running today. Again, a comma is needed here to separate the two sentences.
The company’s training session, which was due to take place on Tuesday, has been postponed. Here, you need to put the appositive (that additional information about the training session), in between commas, or you can put it in parentheses to separate it from the rest of the sentence.
If you are going to college this autumn, don’t forget to sign up for a discount card. Since the dependent clause is found at the beginning of the sentence (If you are going to college this autumn), you need to put a comma after it, like in sentence 1.
The irony about the ending of the poem "Richard Cory" by Edwin Arlington Robinson is that Richard Cory, the person being talked about in the poem, who was envied by many because of his wealth and class, committed suicide.
