How to pronounce 第一調 in Cantonese (3 out of 8):

所以,它們的聲調均為第一調
So they're all in first.

Cantonese Sentence Breakdown

所以 so2 ji5
hence
它們的 taa1 mun4 dik1
noun; they (for inanimate objects)
聲調 sing1 diu6
tone
wan6
an alternate form of the word韻, rhyme
wai6
because of
for
on account of
on behalf of
by (in the passive voice)
第一調 dai6 jat1 diu6
first tone