He (leave) the Post

Office before (mail) a letter.

After (pay)

the bill they (leave) for his apartment.

My mother (go)

to Dinner at ‘The Palm’ before (go) to the Opera.

The leading singers (have)

a lavish party after (finish) the last performance of the season.

I (go)

to bed after (read) my book.

They (pay)

for their tickets after (see) the reviews and making sure it was a good show.