The subjunctive describes a situation or necessity that results from someone’s desire or a condition in nature, like the weather. The subjunctive is formed as follows:
Introduced by an expression like:
that
subject
Simple form of verb
Rest of sentence
It is necessary
you
wear
warm clothes during winter
It is important
people
use
sunblock lotion at the beach
It is essential
Your father
turn on
headlights for driving in the fog
It is advisable
children
wear
boots and raincoats
It is recommended
roads
be
Salted.
It is better
we
shut
windows and doors during a hurricane.
Model sentences:
It is important that your father turn on the lights when driving in the fog. (simple form)
It is essential that people shut windows and doors during a hurricane. (simple form)