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