Question

I won't be able to go on holiday if my parents don't lend me the money. Unless

Answer 1

unless my parents lend me the money, I won't be able to go on holiday.

nhớ tick nha

Answer 2

Unless my parents lend me the money, I won't be able to go on holiday.

Unless/Rarely/Seldom + S + V(s/es) + me/she/he/it, S + will/won't + V.