preascertain 的动词变位表
Simple tenses
Present
I
preascertain
you
preascertain
he/she/it
preascertains
we
preascertain
you
preascertain
they
preascertain
Past
I
preascertained
you
preascertained
he/she/it
preascertained
we
preascertained
you
preascertained
they
preascertained
Present Perfect
I
have
preascertained
you
have
preascertained
he/she/it
has
preascertained
we
have
preascertained
you
have
preascertained
they
have
preascertained
Past Perfect
I
had
preascertained
you
had
preascertained
he/she/it
had
preascertained
we
had
preascertained
you
had
preascertained
they
had
preascertained
Will-Future
I
will
preascertain
you
will
preascertain
he/she/it
will
preascertain
we
will
preascertain
you
will
preascertain
they
will
preascertain
Going to-Future
I
am
going to
preascertain
you
are
going to
preascertain
he/she/it
is
going to
preascertain
we
are
going to
preascertain
you
are
going to
preascertain
they
are
going to
preascertain
Future Perfect
I
will have
preascertained
you
will have
preascertained
he/she/it
will have
preascertained
we
will have
preascertained
you
will have
preascertained
they
will have
preascertained
Continuous tenses
Present
I
am
preascertaining
you
are
preascertaining
he/she/it
is
preascertaining
we
are
preascertaining
you
are
preascertaining
they
are
preascertaining
Past
I
was
preascertaining
you
were
preascertaining
he/she/it
was
preascertaining
we
were
preascertaining
you
were
preascertaining
they
were
preascertaining
Present Perfect
I
have been
preascertaining
you
have been
preascertaining
he/she/it
has been
preascertaining
we
have been
preascertaining
you
have been
preascertaining
they
have been
preascertaining
Past Perfect
I
had been
preascertaining
you
had been
preascertaining
he/she/it
had been
preascertaining
we
had been
preascertaining
you
had been
preascertaining
they
had been
preascertaining
Will-Future
I
will be
preascertaining
you
will be
preascertaining
he/she/it
will be
preascertaining
we
will be
preascertaining
you
will be
preascertaining
they
will be
preascertaining
Going to-Future
I
am
going to be
preascertaining
you
are
going to be
preascertaining
he/she/it
is
going to be
preascertaining
we
are
going to be
preascertaining
you
are
going to be
preascertaining
they
are
going to be
preascertaining
Future Perfect
I
will have been
preascertaining
you
will have been
preascertaining
he/she/it
will have been
preascertaining
we
will have been
preascertaining
you
will have been
preascertaining
they
will have been
preascertaining
Conditional
Conditional
I
would
preascertain
you
would
preascertain
he/she/it
would
preascertain
we
would
preascertain
you
would
preascertain
they
would
preascertain
Conditional Past
I
would have
preascertained
you
would have
preascertained
he/she/it
would have
preascertained
we
would have
preascertained
you
would have
preascertained
they
would have
preascertained
Imperative
preascertain
Impersonal
ing-Form
preascertaining
Past Participle
preascertained