WEIRDO
The steps to conjugate in the subjunctive.
1. present tense yo form
2. drop the "o"
3. add the opposite ending
(It is doubtful that) she needs painkillers.
Es dudoso que necesite analgésicos.
Es necesario que _______. (It's necessary that we give first aid)
demos primeros auxilios
It is obvious that you're sick.
Es obvio que estás enfermo/a.