See some sorted out simple, complex and compound sentences.

Simple
Sheela taught classical dance in the U.S on her staying there for 5 years

Complex
Sheela taught classical dance when she was staying in the U.S for 5 years.

Compund
Sheela stayed in the U.S for 5 years, then she taught classical dance 
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Simple
In spite of her being tall, she wasn't selected in the fitness examination.

Complex
Although she was tall, she wasn't selected in the fitness examination.

Compound
She was tall but she wasn't selected in the fitness examination.
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Simple
Due to Oviya's getting stress, she quieted from the game of Big Boss.

Complex
Since (or) As Oviya had gotten stress, she quieted from the show of Big Boss.

Compound
Oviya had gotten stress so that she quieted from the show of Big Boss
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Simple
Being an unsupported man, he has achieved.

Complex
Though he is an unsupported man, he has achieved.

Compound
He is an unsupported man, however, he has achieved.
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Simple
I can start your work only after your making early payment.

Complex
If  you make your payment early, I can start your work.

Compound
Make your payment earlier, then I can start your work
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