SN4 ""

No	Pattern	Freq
1	[n mass] who have [noun]	81
2	people who have [noun]	74
3	[n mass] who have [noun]	58
4	[n mass] who have [noun sg]	45
5	[n mass] who have [noun pl]	32
6	[n mass] who had [noun]	21
7	[n mass] who have trouble	7
8	[n mass] who have trouble	7
9	staff who have [noun]	7
10	[n mass] who have problems	6
11	[n mass] who have problem	6
12	[n mass] who have difficulty	5
13	[n mass] who have difficulty	5