Book of Common Prayer (page 379)

Lent

Through Jesus Christ our Lord; who was tempted in every way as we are,
yet did not sin. By his grace we are able to triumph over every evil,
and to live no longer for ourselves alone, but for him who died for us
and rose again.

or this

You bid your faithful people cleanse their hearts, and prepare with joy
for the Paschal feast; that, fervent in prayer and in works of

mercy, and renewed by your Word and Sacraments, they may come to the
fullness of grace which you have prepared for those who love you.

Holy Week

Through Jesus Christ our Lord. For our sins he was lifted high upon the
cross, that he might draw the whole world to himself; and, by his
suffering and death, he became the source of eternal salvation for all
who put their trust in him.

Easter

But chiefly are we bound to praise you for the glorious resurrection of
your Son Jesus Christ our Lord; for he is the true Paschal Lamb, who was
sacrificed for us, and has taken away the sin of the world. By his death
he has destroyed death, and by his rising to life again he has won for
us everlasting life.

Ascension

Through your dearly beloved Son Jesus Christ our Lord. After his
glorious resurrection he openly appeared to his disciples, and in their
sight ascended into heaven, to prepare a place for us; that where he is,
there we might also be, and reign with him in glory.