SN4 ""

No	Pattern	Freq
1	be [conj] [pron] is	1575
2	[is] [conj] [pron] is	1378
3	is [conj] [pron] is	1364
4	[be] that [pron] is	1318
5	[be] [that] [pron] is	1318
6	[be] that [pron] is	1318
7	[be] [conj] [pers pn] is	1014
8	[be] [conj] it is	866
9	[be] [conj] it is	865
10	[be] [conj] [ex0] is	491
11	[be] [conj] there is	491
12	[be] [conj] there is	491
13	[be] [subord] [pron] is	202
14	[be] [conj] he is	113
15	[be] [conj] he is	113
16	be [conj] [pron] is	99
17	[be] because [pron] is	99
18	[be] because [pron] is	99
19	[be] [conj] [pron] is	99
20	[be] [coord] [pron] is	55
21	[am/are] [conj] [pron] is	49
22	[be] whether [pron] is	48
23	[be] whether [pron] is	48
24	are [conj] [pron] is	45
25	[be] and [pron] is	37
26	[be] and [pron] is	37
27	[be] [conj] [indef pn] is	34
28	[was/were] [conj] [pron] is	32
29	[be] [conj] [Wh det] is	32
30	[be] [conj] she is	32