SN4 ""

No	Pattern	Freq
1	[noun] is [adv] for [art]	69
2	[noun sg] is [adv] for [art]	60
3	[pron] is [adv] for [art]	37
4	[pers pn] is [adv] for [art]	31
5	it is [adv] for [art]	29
6	it is [adv] for [art]	29
7	[det] is [adv] for [art]	19
8	[adj] is [adv] for [art]	19
9	this is [adv] for [art]	15
10	this is [adv] for [art]	15
11	[Wh det] is [adv] for [art]	5
12	is [adj] [adv] for [art]	64
13	is [adv] [adv] for [art]	63
14	is [adj] [adv] for [art]	60
15	is [verb] [adv] for [art]	58
16	is not [adv] for [art]	38
17	is [not/n't] [adv] for [art]	38
18	is [vb pp] [adv] for [art]	38
19	is not [adv] for [art]	35
20	is [adv] [adv] for [art]	24
21	is [v-ing] [adv] for [art]	19
22	is [noun] [adv] for [art]	8
23	is [noun sg] [adv] for [art]	8
24	is good [adv] for [art]	7
25	is good [adv] for [art]	6
26	is available [adv] for [art]	5
27	is go [adv] for [art]	5
28	is available [adv] for [art]	5
29	is [adv] [adj] for [art]	798
30	is [adv] [adj] for [art]	756