A palatal consonant is produced when the middle part of the tongue contacts or approaches the hard palate.

The image on my new high-definition TV is very clear.

The image on my new high-definition television is very clear.

I have been to France once.

He finished all his work all at once.

Beautiful altocumulus clouds were spread across the sky.

Altostratus clouds are spreading in the sky, it looks like it's going to rain.

It was luck that he passed the exam.

It's difficult to remember the units of weights and measures.

He went to a new school for changing school.