เพราะว่า

[pʰró wâa chǎn lúm tʰrót sàpt]

Because I forgot my phone (situation: explaining a forgotten item)

ใช้ [ลืม] = to forget, commonly used with objects

[pʰró wâa fǒn dtòk nà̀ŋ]

Because it's raining heavily (situation: describing weather)

ใช้ [เพราะว่า] = use to explain the reason

[prɔ̌ɔ wâa chǎn tɔ̂ng bpai tham ngaan dʉk]

Because I have to work late (situation: explaining absence)

Use [ดึก] to mean 'late' when talking about time.