SN4 ""

No	Pattern	Freq
1	[conj] [pers pn] is to [be] [adj]	33
2	[subord] [pers pn] is to [be] [adj]	26
3	if [pers pn] is to [be] [adj]	20
4	if [pers pn] is to [be] [adj]	20
5	[adj] [pers pn] is to [be] [adj]	16
6	[adj] [pers pn] is to [be] [adj]	15
7	what [pers pn] is to [be] [adj]	14
8	[Wh det] [pers pn] is to [be] [adj]	14
9	what [pers pn] is to [be] [adj]	14
10	[pron] [pers pn] is to [be] [adj]	14
11	likely [pers pn] is to [be] [adj]	8
12	likely [pers pn] is to [be] [adj]	8
13	[that] [pers pn] is to [be] [adj]	6
14	that [pers pn] is to [be] [adj]	6
15	that [pers pn] is to [be] [adj]	6
16	[pers pn] [verb] is to [be] [adj]	5
17	[pers pn] is [adj] to [be] [adj]	311
18	[pers pn] is [adj] to [be] [adj]	295
19	[pers pn] is [verb] to [be] [adj]	119
20	[pers pn] is [vb pp] to [be] [adj]	91
21	[pers pn] is important to [be] [adj]	64
22	[pers pn] is important to [be] [adj]	64
23	[pers pn] is difficult to [be] [adj]	33
24	[pers pn] is difficult to [be] [adj]	33
25	[pers pn] is likely to [be] [adj]	30
26	[pers pn] is likely to [be] [adj]	30
27	[pers pn] is [v-ing] to [be] [adj]	27
28	[pers pn] is going to [be] [adj]	22
29	[pers pn] is go to [be] [adj]	22
30	[pers pn] is unlikely to [be] [adj]	21