Questions & Answers about Si culcita satis mollis non est, quid faciamus?
Si means if and introduces a condition.
So the sentence is built like this:
- Si culcita satis mollis non est = If the cushion/mattress is not soft enough
- quid faciamus? = what should we do?
This is a very common Latin pattern:
- si
- a clause stating the condition
- then the main clause giving the result, question, or response
Culcita is nominative singular.
You can tell because it is the subject of est:
- culcita ... est = the cushion/mattress is ...
So culcita is the thing being described as not soft enough.
It is a first-declension noun, so the nominative singular form ends in -a.
Because mollis belongs to a different adjective pattern.
Mollis, molle is a third-declension adjective, not a first/second-declension one. Its feminine nominative singular is mollis, which matches culcita in: