Looking on the internet deeply has found these results:

they are going for a picnic is the most popular phrase on the web.

they are going to go for a picnic 10 results on the web	they are going for a picnic 1117 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Apr 15, 2011 ... They are going for a picnic. They will come back one day.� � Isaias Afwerki, interview with Reuters, October 21, 2009. As I try to write this article,�... May 19, 2015 ... They are going for a picnic. Ahmed is my elder brother. Put these books on your table. Determiners are words placed ahead of a noun to create�... Feb 14, 2013 ... It's Valentine's Day, and Derek keeps expecting Stiles to just announce they are going for a picnic in the woods, or for a fancy restaurant,�... Oct 21, 2009 ... They are going for a picnic. They will come back one day." ALLEGED ASSASSINATION ATTEMPT IN AUGUST: * "It's a fantasy. It's an insanity .

they are going to go for a picnic

10 results on the web

they are going for a picnic

1117 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Apr 15, 2011 ... They are going for a picnic. They will come back one day.� � Isaias Afwerki, interview with Reuters, October 21, 2009. As I try to write this article,�...
May 19, 2015 ... They are going for a picnic. Ahmed is my elder brother. Put these books on your table. Determiners are words placed ahead of a noun to create�...
Feb 14, 2013 ... It's Valentine's Day, and Derek keeps expecting Stiles to just announce they are going for a picnic in the woods, or for a fancy restaurant,�...
Oct 21, 2009 ... They are going for a picnic. They will come back one day." ALLEGED ASSASSINATION ATTEMPT IN AUGUST: * "It's a fantasy. It's an insanity .