The document discusses different ways to connect two actions or events that happened at the same time or one after the other using conjunctions like "while" and "when". It provides examples of sentences using these conjunctions to link events in the past, including actions that happened simultaneously or were interrupted by another action.

2. Both actions (A) and (B) were happening at the same time in the past
They were having breakfast
They were watching TV
WHILE they were having breakfast, they were
watching TV

3. Both actions (A) and (B) happened one after another in the past
The alarm clock rang He woke up
WHEN the alarm clock rang, he woke up

4. An action (A) was happening in the past when an action (B) interrupted
He was having a shower
The phone rang
WHILE he was having a shower, the the phone rang
He was having a shower, WHEN the the phone rang

5. We can reverse the order of the sentences, but when the time clause is at
the beginning, it is followed by a comma.
While I was washing-up, the phone rang. The phone rang while I was washing-up.
When Paul arrived, we were having dinner. We were having dinner when Paul arrived
When +
past simple
While +
past continuous