- Is used when the predicate of the principal clause is expressed by the verb "to wish" + Past Simple or Past Perfect or would(как жаль)
I wish I were a girl again.
I wish you would stay with me for a while.
- Is used in object clauses introduced by the conjunction lest + should( как бы не).
… that + may(will)
- Is used in object clauses when we find verbs and word-group denoting:
order
suggest
proposes
demands + should or bare infinitive
insist will see
is anxious
