The structure of the phrase will be in this form:
[reason] で= because of [reason]
[reason] has to be a noun.
For example:
- I have a headache because of a cold. = kaze de atama ga itai desu. = 風で頭が痛いです。(kaze=cold/flu, atama=head, itai=painful)
- I did not do gardening because of the rain. = ame de niwa o soji shimasendeshita. = 雨で庭を掃除しませんでした。(ame= rain, niwa=garden, souji shimasu= clean up)
