is ti ok?

[strange]

MARY IS NOT IN SPAIN. SHE went TO LONDON.
SHE'LL COME BACK IN 5 MONTHS HOWEVER, WHEN SHE KNOWS HER SISTER HAD HAD THE TWINS SHE IS EXPECTING REALLY? WHEN HAS SHE LEFT?

[Natalie27]

MARY IS NOT IN SPAIN. SHE went TO LONDON.
SHE'LL COME BACK IN 5 MONTHS HOWEVER, WHEN SHE KNOWS HER SISTER HAD HAD THE TWINS SHE IS EXPECTING REALLY? WHEN HAS SHE LEFT?

She will come back in 5 months when she knows her sister has had the twins.

[strange]

" has had" instead od " had had"

[Natalie27]

" has had" instead od " had had"

That's what I would say.