... you are writing, be careful with spelling and grammar.
I had the cooled coffee ... I drank it.
before
After I (return) from the journey, I felt pain in my back.
had returned
Tom (smoke) a cigar every time when he (meet) his brother.
smokes/meets
When you (submit) the report, you may go home.
submit/have submitted
... the rain stops, let's take a stroll to a local park.
when/after
After
I had checked how the tables were served, before I (welcome) the guests.
welcomed
There is a tradition - when the plane (land), the passengers (clap) as a sign of gratitude to the pilot.
lands/clap
After we (send) the letter tomorrow, we (inform) you.
send/will inform
... I was cleaning the vacuum cleaner, I found my wife's necklace.
while/as/when
... as I received the letter, I opened it.
as soon
When Victor (train), he got an injury.
was training
The criminals (release) the hostages when you (bring) them money.
will release/bring
Before we (have) dinner today, we (complete) the task.
have/will complete
... my vacation, I made up my mind to learn the French language.
During
Lesley moved to Canada 2 years ago. He had never lived there ...
before
Frank (check) the essays for 2 hours by the time there was a power cut.
had been checking
Before the President (arrive) at the airport tomorrow, the security officers (check and cordon off) the area.
arrives, will check and cordon off
She (finish) her report by the time her manager (ask) for it.
will have finished/ asks
... had Nick sat to have a rest, when the boss called him.
Hardly
... had we stepped on the floor than we heard the floor crack.
No sooner
He (work) as an interpreter for 20 years. Now he is retired.
worked
I don't know when I (come back) from the party.
will come back
Martin (not know) when he (get) promotion.
does not know/he will get