Raise the back of your tongue to touch the soft palate. Add vocal cord vibration, then release.

Americans pronounce grain as GRAYN (/greɪn/). You'll hear it in sentences like "The silo stores grain to keep it dry and safe" or "He operates a combine harvester to gather the grain" — more examples below.
Record yourself saying "grain" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 4 sounds. Explore each sound's mouth shape and how it's made.
Raise the back of your tongue to touch the soft palate. Add vocal cord vibration, then release.

Curl or bunch your tongue without letting the tip touch the roof of your mouth. Brace the sides of your tongue against your upper back teeth, and round your lips slightly.
Start with your jaw slightly open and the front of your tongue forward and slightly up. Glide upward, your jaw closes a little more and your tongue arches higher toward the roof of the mouth.
Touch the tip or front edge of your tongue to the roof of your mouth behind your teeth. Air flows through your nose.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.