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