#subj I and the Suppositional Mood. Formation and use
Simple sentence:
Formulaic expressions denoting wish or concession;
Commands, requests with indefinite pronouns as subjects;
In subordinate nominal subject, object, predicate, att-app clauses
After the expression of modality (order, suggest, recommend) or emotions (fear);
Indirect questions;
In subordinate adverbial clauses of concession, purpose.
The Supp M is used in:
Simple sentence:
o Interrogative sentences beginning with And what if…?
In subordinate nominal subject, object, predicate, att-app clauses
o After the expression of modality (order, suggest, recommend) or emotions (fear);
In subordinate adverbial clauses of condition, concession, purpose.