SN4 ""

No	Pattern	Freq
1	back to the [num ord] [noun sg]	172
2	back to the [num ord] [noun sg]	172
3	back to the [num ord] century	114
4	back to the first [noun sg]	29
5	back to the second [noun sg]	12
6	back to the 13th [noun sg]	9
7	back to the last [noun sg]	9
8	back to the sixteenth [noun sg]	7
9	back to the thirteenth [noun sg]	7
10	back to the [num ord] world	7
11	back to the [num ord] division	7
12	back to the 14th [noun sg]	6
13	back to the eighteenth [noun sg]	6
14	back to the 19th [noun sg]	6
15	back to the 18th [noun sg]	6
16	back to the nineteenth [noun sg]	6
17	back to the twelfth [noun sg]	5
18	back to the 12th [noun sg]	5
19	back to the seventeenth [noun sg]	5
20	back to the next [noun sg]	5
21	back to the 15th [noun sg]	5