_Simple_

(Subst.i.tute _see_ for _be_ in the present potential of _to be_.)

_Progressive_

(Subst.i.tute _be seeing_ for _be_ in the present potential of _to be_.)

PRESENT TENSE--Pa.s.sIVE VOICE

_Simple_

(Subst.i.tute _be seen_ for _be_ in the present potential of _to be_.)

PAST TENSE--ACTIVE VOICE

_Simple_

(Subst.i.tute _see_ for _be_ in the past potential of _to be_.)

_Progressive_

(Subst.i.tute _be seeing_ for _be_ in the past potential of _to be_.)

PAST TENSE--Pa.s.sIVE VOICE

(Subst.i.tute _be seen_ for _be_ in the past potential of _to be_.)

PRESENT PERFECT TENSE--ACTIVE VOICE

_Simple_

(Subst.i.tute _have seen_ for _be_ in the present potential of _to be_.)

_Progressive_

(Subst.i.tute _have been seeing_ for _be_ in the present potential of _to be_.)

PRESENT PERFECT TENSE--Pa.s.sIVE VOICE

(Subst.i.tute _have been seen_ for _be_ in the present potential of _to be_.)

PAST PERFECT TENSE--ACTIVE VOICE

_Simple_

(Subst.i.tute _have seen_ for _be_ in the past potential of _to be_.)

_Progressive_

(Subst.i.tute _have been seeing_ for _be_ in the past potential of _to be_.)

PAST PERFECT TENSE--Pa.s.sIVE VOICE

(Subst.i.tute _have been seen_ for _be_ in the past potential of _to be_.)

IMPERATIVE MODE

ACTIVE VOICE

_Simple_

_see_.

_Emphatic_

_do see_.

_Progressive_

_be seeing_.

Pa.s.sIVE VOICE

_be seen_

INFINITIVE MODE

PRESENT TENSE--ACTIVE VOICE

_Simple_

_to see._

_Progressive_

_to be seeing._

PRESENT TENSE--Pa.s.sIVE VOICE

_Simple_

_to be seen_

PERFECT TENSE--ACTIVE VOICE

_Simple_

_to have seen._