Future covenants are breached, if at all, at some later time.
The covenant of warranty is a grantor’s promise to defend and indemnify a grantee who suffers an interference with his possession of the land by a person who has superior or paramount title.
The covenant of warranty is practically the same as the covenant of quiet enjoyment.
The covenant of quiet enjoyment warrants that the grantee’s possession and enjoyment of the property will not be disturbed by anyone holding superior title.
Practically the same as the covenant of warranty.
A covenant of further assurances is a promise to take any future actions that may be needed to perfect the title which the original deed purported to convey.
Unlike the other covenants, the covenant of further assurances may also be enforced by specific performance.