SN4 ""

No	Pattern	Freq
1	[adj] [conj] it is [adv]	479
2	[adj] [conj] [pers pn] is [adv]	423
3	[adj] [subord] [pers pn] is [adv]	258
4	[adj] [coord] [pers pn] is [adv]	156
5	[adj] that [pers pn] is [adv]	152
6	[adj] that [pers pn] is [adv]	152
7	[adj] [that] [pers pn] is [adv]	152
8	[adj] and [pers pn] is [adv]	90
9	[adj] and [pers pn] is [adv]	90
10	[adj] [conj] [pers pn] is now	76
11	[adj] as [pers pn] is [adv]	73
12	[adj] as [pers pn] is [adv]	73
13	[det] [conj] [pers pn] is [adv]	69
14	[adj] but [pers pn] is [adv]	65
15	[adj] but [pers pn] is [adv]	65
16	[adj] [conj] he is [adv]	62
17	[adj] than [pers pn] is [adv]	61
18	[adj] than [pers pn] is [adv]	61
19	[adj] because [pers pn] is [adv]	53
20	[adj] because [pers pn] is [adv]	53
21	[adj -er] [conj] [pers pn] is [adv]	40
22	[adj] [conj] [pers pn] is today	35
23	[adj] [conj] [pers pn] is only	34
24	[num] [conj] [pers pn] is [adv]	28
25	[adj] [conj] she is [adv]	24
26	[adj] [conj] [pers pn] is still	21
27	[adj] [conj] [pers pn] is so	20
28	[adj] [conj] [pers pn] is also	20
29	[adj] [conj] [pers pn] is very	19
30	[adj] if [pers pn] is [adv]	18