To stain inadequately or less than usual.
Infinitiveunderstain
Past simpleunderstained
Past participleunderstained
-ing formunderstaining
Full conjugation of the English verb to understain (past simple understained,
past participle understained):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
understain
you
understain
he/she/it
understains
we
understain
you
understain
they
understain
Present continuous
I
am understaining
you
are understaining
he/she/it
is understaining
we
are understaining
you
are understaining
they
are understaining
Present perfect
I
have understained
you
have understained
he/she/it
has understained
we
have understained
you
have understained
they
have understained
Present perfect continuous
I
have been understaining
you
have been understaining
he/she/it
has been understaining
we
have been understaining
you
have been understaining
they
have been understaining
Past simple
I
understained
you
understained
he/she/it
understained
we
understained
you
understained
they
understained
Past continuous
I
was understaining
you
were understaining
he/she/it
was understaining
we
were understaining
you
were understaining
they
were understaining
Past perfect
I
had understained
you
had understained
he/she/it
had understained
we
had understained
you
had understained
they
had understained
Past perfect continuous
I
had been understaining
you
had been understaining
he/she/it
had been understaining
we
had been understaining
you
had been understaining
they
had been understaining
Future simple
I
will understain
you
will understain
he/she/it
will understain
we
will understain
you
will understain
they
will understain
Future continuous
I
will be understaining
you
will be understaining
he/she/it
will be understaining
we
will be understaining
you
will be understaining
they
will be understaining
Future perfect
I
will have understained
you
will have understained
he/she/it
will have understained
we
will have understained
you
will have understained
they
will have understained
Future perfect continuous
I
will have been understaining
you
will have been understaining
he/she/it
will have been understaining
we
will have been understaining
you
will have been understaining
they
will have been understaining
Conditional
Present
I
would understain
you
would understain
he/she/it
would understain
we
would understain
you
would understain
they
would understain
Present continuous
I
would be understaining
you
would be understaining
he/she/it
would be understaining
we
would be understaining
you
would be understaining
they
would be understaining
Perfect
I
would have understained
you
would have understained
he/she/it
would have understained
we
would have understained
you
would have understained
they
would have understained
Perfect continuous
I
would have been understaining
you
would have been understaining
he/she/it
would have been understaining
we
would have been understaining
you
would have been understaining
they
would have been understaining
Subjunctive
Present
that I
understain
that you
understain
that he/she/it
understain
that we
understain
that you
understain
that they
understain
Past
if I
understained
if you
understained
if he/she/it
understained
if we
understained
if you
understained
if they
understained
Imperative
Affirmative
you
understain
we
let's understain
Negative
you
don't understain
we
let's not understain
Non-finite forms
Infinitive
to understain
Perfect infinitive
to have understained
Present participle / gerund
understaining
Past participle
understained
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.