Sum
is compounded without any change of inflection with the prepositions
ab
,
ad
,
dē
,
in
,
inter
,
ob
,
prae
,
prō
(earlier form
prōd
),
sub
,
super
.
In the compound
prōsum
(
help
),
prō
retains its original
d
before
e
:
PRINCIPAL PARTS:
prōsum
,
prōdesse
,
prōfuī
,
prōfutūrus
|
INDICATIVE |
|
SUBJUNCTIVE |
|
Singular
|
Plural
|
Singular
|
Plural
|
PRESENT |
prōsum
|
prōsumus
|
prōsim
|
prōsīmus
|
|
prōdes
|
prōdestis
|
prōsīs
|
prōsītis
|
|
prōdest
|
prōsunt
|
prōsit
|
prōsint
|
IMPERFECT |
prōderam
|
prōderāmus
|
prōdessem
|
prōdessēmus
|
FUTURE |
prōderō |
prōderimus |
---- |
---- |
PERFECT |
prōfuī
|
prōfuimus
|
prōfuerim
|
prōfuerimus
|
PLUPERFECT |
prōfueram
|
prōfuerāmus
|
prōfuissem
|
prōfuissēmus
|
FUT. PERF. |
prōfuerō
|
prōfuerimus
|
---- |
---- |
|
IMPERATIVE |
PRESENT
prōdes
,
prōdeste
|
|
FUTURE
prōdestō
,
prōdestōte
|
|
INFINITIVE |
PRESENT
prōdesse
|
|
PERFECT
prōfuisse
|
|
FUTURE
prōfutūrus esse
|
|
PARTICIPLE |
|
FUTURE
prōfutūrus
|
Sum
is also compounded with the adjective
potis
, or
pote
,
able
, making the verb
possum
(
be able, can
).
Possum
is inflected as follows:—
The forms
potis sum
,
pote sum
, etc. occur in early writers. Other early forms are
potesse
;
possiem
,
-ēs
,
-et
;
poterint
,
potisit
(for
possit
);
potestur
and
possitur
(used with a passive infinitive, cf. §
205
.
a
).
PRINCIPAL PARTS:
possum
,
posse
,
potuī
Potuī
is from an obsolete †
potēre
.
|
INDICATIVE |
|
SUBJUNCTIVE |
|
Singular
|
Plural
|
Singular
|
Plural
|
PRESENT |
possum
|
possumus
|
possim
|
possīmus
|
|
potes
|
potestis
|
possīs
|
possītis
|
|
potest
|
possunt
|
possit
|
possint
|
IMPERFECT |
poteram
|
poterāmus
|
possem
|
possēmus
|
FUTURE |
poterō
|
poterimus
|
---- |
---- |
PERFECT |
potuī
|
potuimus
|
potuerim
|
potuerimus
|
PLUPERFECT |
potueram
|
potuerāmus
|
potuissem
|
potuissēmus
|
FUT. PERF. |
potuerō
|
potuerimus
|
---- |
---- |
INFINITIVE |
PRES.
posse
|
PERF.
potuisse
|
PARTICIPLE
-
PRES. potēns
(adjective),
powerful
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