The word "loose" is derived from the Old Norse word "lauss" which means free or detached. It has roots in the Proto-Germanic language and is related to other Germanic languages such as German "los" and Dutch "los".
CONDITIONAL
I
would loose
we
would loose
you
would loose
he/she/it
would loose
they
would loose
FUTURE
I
will loose
we
will loose
you
will loose
he/she/it
will loose
they
will loose
FUTURE PERFECT
I
will have loosed
we
will have loosed
you
will have loosed
he/she/it
will have loosed
they
will have loosed
PAST
I
loosed
we
loosed
you
loosed
he/she/it
loosed
they
loosed
PAST PERFECT
I
had loosed
we
had loosed
you
had loosed
he/she/it
had loosed
they
had loosed
PRESENT
I
loose
we
loose
you
loose
he/she/it
looses
they
loose
PRESENT PERFECT
I
have loosed
we
have loosed
you
have loosed
he/she/it
has loosed
they
have loosed
I
am loosing
we
are loosing
you
are loosing
he/she/it
is loosing
they
are loosing
I
was loosing
we
were loosing
you
were loosing
he/she/it
was loosing
they
were loosing
I
will be loosing
we
will be loosing
you
will be loosing
he/she/it
will be loosing
they
will be loosing
I
have been loosing
we
have been loosing
you
have been loosing
he/she/it
has been loosing
they
have been loosing
I
had been loosing
we
had been loosing
you
had been loosing
he/she/it
had been loosing
they
had been loosing
I
will have been loosing
we
will have been loosing
you
will have been loosing
he/she/it
will have been loosing
they
will have been loosing
I
would have loosed
we
would have loosed
you
would have loosed
he/she/it
would have loosed
they
would have loosed
I
would be loosing
we
would be loosing
you
would be loosing
he/she/it
would be loosing
they
would be loosing
I
would have been loosing
we
would have been loosing
you
would have been loosing
he/she/it
would have been loosing
they
would have been loosing