SN4 ""

No	Pattern	Freq
1	to mark the [num ord] [noun sg]	120
2	to mark the [adj] anniversary	108
3	to mark the [adj] [noun sg]	33
4	to mark the 50th [noun sg]	17
5	to mark the 50th [noun sg]	17
6	to mark the first [noun sg]	9
7	to mark the first [noun sg]	9
8	to mark the [adj] year	8
9	to mark the 10th [noun sg]	7
10	to mark the 75th [noun sg]	7
11	to mark the 40th [noun sg]	7
12	to mark the 75th [noun sg]	7
13	to mark the 10th [noun sg]	7
14	to mark the 40th [noun sg]	7
15	to mark the tenth [noun sg]	6
16	to mark the 20th [noun sg]	6
17	to mark the 20th [noun sg]	6
18	to mark the tenth [noun sg]	6
19	to mark the 150th [noun sg]	5
20	to mark the 150th [noun sg]	5