I woke early because

the sun shone on my face.

I ate my breakfast while

my mother fed the baby.

 
I got dressed after

I had my shower.

I left for school as soon as

I was ready.

I was late for school although

I had left on time.

I wondered if

my teacher would be angry.

I've only been late once since

I joined this class.

I walked in quietly and

sat down at the back.

The teacher smiled so

I knew I wasn't in trouble.

It was OK this time but

it won't happen again.

Cut into separate cards to match sentence parts.
Task could be extended by sequencing.
First parts of sentences can be left as one base card & sentence ends cut individually to match, making the task simpler.
Individual connective cards could be used to alter given examples or to write own.

because

while

after

as soon as

since

and

so

although

before

when

but

if