SN4 ""

No	Pattern	Freq
1	problems is that	33
2	years is that	23
3	cases is that	15
4	things is that	12
5	schemes is that	12
6	terms is that	11
7	studies is that	11
8	proposals is that	10
9	systems is that	10
10	accounts is that	10
11	groups is that	9
12	patients is that	9
13	countries is that	9
14	points is that	8
15	companies is that	8
16	methods is that	8
17	theories is that	8
18	rules is that	8
19	lists is that	8
20	matters is that	8
21	models is that	7
22	difficulties is that	7
23	results is that	7
24	parents is that	7
25	approaches is that	7
26	arguments is that	7
27	books is that	7
28	questions is that	6
29	organisations is that	6
30	provisions is that	6