SN4 ""

No	Pattern	Freq
1	[noun pl] [is] that	1509
2	[noun pl] is that	1508
3	problems [is] that	33
4	years [is] that	23
5	cases [is] that	15
6	schemes [is] that	12
7	things [is] that	12
8	terms [is] that	11
9	studies [is] that	11
10	systems [is] that	10
11	accounts [is] that	10
12	proposals [is] that	10
13	groups [is] that	9
14	countries [is] that	9
15	patients [is] that	9
16	methods [is] that	8
17	points [is] that	8
18	lists [is] that	8
19	matters [is] that	8
20	theories [is] that	8
21	rules [is] that	8
22	companies [is] that	8
23	models [is] that	7
24	arguments [is] that	7
25	approaches [is] that	7
26	books [is] that	7
27	men [is] that	7
28	difficulties [is] that	7
29	parents [is] that	7
30	results [is] that	7