User-agent: Googlebot
Allow: /
Disallow: *_form

User-agent: Googlebot-Mobile
Allow: /
Disallow: *_form

User-agent: Googlebot-Image
Allow: /
Disallow: *_form

User-agent: Adsbot-Google
Allow: /
Disallow: *_form

User-agent: Mediapartners-Google
Allow: /
Disallow: *_form