SN4 ""

No	Pattern	Freq
1	[noun] is [adv] to be [verb]	220
2	[noun sg] is [adv] to be [verb]	177
3	[pron] is [adv] to be [verb]	98
4	[pers pn] is [adv] to be [verb]	66
5	it is [adv] to be [verb]	55
6	it is [adv] to be [verb]	55
7	[adj] is [adv] to be [verb]	30
8	[conj] is [adv] to be [verb]	29
9	[det] is [adv] to be [verb]	26
10	[noun pl] is [adv] to be [verb]	25
11	this is [adv] to be [verb]	21
12	[coord] is [adv] to be [verb]	21
13	this is [adv] to be [verb]	21
14	[Wh det] is [adv] to be [verb]	20
15	which is [adv] to be [verb]	17
16	which is [adv] to be [verb]	17
17	and is [adv] to be [verb]	16
18	and is [adv] to be [verb]	16
19	[noun prp] is [adv] to be [verb]	15
20	he is [adv] to be [verb]	8
21	he is [adv] to be [verb]	8
22	work is [adv] to be [verb]	7
23	work is [adv] to be [verb]	7
24	[indef pn] is [adv] to be [verb]	6
25	[that] is [adv] to be [verb]	5
26	that is [adv] to be [verb]	5
27	that is [adv] to be [verb]	5
28	is [adv] [adv] to be [verb]	35
29	is [adj] [adv] to be [verb]	30
30	is [adj] [adv] to be [verb]	28