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