SN4 ""

No	Pattern	Freq
1	it is [adj] [conj] [det]	1107
2	[pers pn] is [adj] that [det]	1028
3	[pers pn] is [adj] that [det]	1028
4	[pers pn] is [adj] [that] [det]	1028
5	[pers pn] is [adj] [conj] this	275
6	[pers pn] is likely [conj] [det]	143
7	[pers pn] is clear [conj] [det]	129
8	[pers pn] is [adj] [conj] some	127
9	[pers pn] is [adj] [conj] these	106
10	[pers pn] is [adj] [conj] all	103
11	[pers pn] is [adj] [conj] any	101
12	[pers pn] is [adj] [conj] such	98
13	[pers pn] is possible [conj] [det]	97
14	[pers pn] is [adj] [conj] many	97
15	[pers pn] is unlikely [conj] [det]	92
16	[pers pn] is [adj] [subord] [det]	87
17	[pers pn] is important [conj] [det]	71
18	[pers pn] is true [conj] [det]	68
19	[pers pn] is [adj] whether [det]	59
20	[pers pn] is doubtful [conj] [det]	59
21	[pers pn] is [adj] whether [det]	59
22	[pers pn] is essential [conj] [det]	58
23	[pers pn] is [adj] [conj] those	47
24	[pers pn] is [adj] [conj] most	45
25	[pers pn] is probable [conj] [det]	35
26	[pers pn] is [adj] [conj] that	29
27	[pers pn] is [adj] [conj] both	23
28	[pers pn] is [adj] if [det]	22
29	[pers pn] is [adj] if [det]	22
30	[pers pn] is significant [conj] [det]	21