This isn't a strict rule, but usually: Before a vowel: /ði/ or /ðij/ (The /j/ sounds like English Y) Otherwise: /ðə/

When the is followed by a vowel sound, then your pronounce it with a long 'e' or the 'e' says its name: thee. When followed by a consonant, the 'e' is more like 'uh': thuh.

Hello, The first step is to say the letter "D" as in D honor, D america. The second step is to say the letter "D" without touching your teeth. Good luck with your studying !