Explanation
Express the reason or cause for something; 'because', 'since', 'due to'.
Formation
Verb-plain + ものだから, い-Adjective + ものだから, な-Adjective + なものだから, Noun + なものだから
Detailed explanation
「～ものだから」 is used to explain a reason or cause from the speaker’s point of view. It can be translated as 'because', 'since', or 'due to'. It often carries the nuance of 'you see, that's why ...'.
Examples
Shiken ga chikai mono dakara, mainichi benkyou shiteimasu.
Because the exam is near, I'm studying every day.
Kono resutoran wa totemo ninki ga aru mono dakara, yoyaku shinai to seki ga nai kamoshiremasen.
Because this restaurant is very popular, there might not be any seats if we don't reserve.
Kare wa wakai mono dakara, mada takusan no keiken wo tsunde inai.
Because he is young, he hasn't accumulated much experience yet.
Kyou wa samui mono dakara, tebukuro wo motte ikimashou.
Since it's cold today, let's bring gloves.
Practice
Grammar content sourced from hanabira.org.