It's a case particle で, not the te-form cos おかげ is not a verb but a noun (polite お+ noun 陰).
The で is not the 連用形 of the assertive auxiliary だ, cos it's not two sentences 友達のおかげだ。映画はただで見られた。
– chocolate 4 mins ago
It's a case particle で, not the te-form cos おかげ is not a verb but a noun (polite お+ noun 陰).
The で is not the 連用形 of the assertive auxiliary だ, cos it's not two sentences 友達のおかげだ。映画はただで見られた。
– chocolate 4 mins ago