SN4 ""

No	Pattern	Freq
1	[noun] it is helpful [verb]	13
2	[conj] it is helpful [verb]	10
3	[verb] it is helpful [verb]	9
4	[noun pl] it is helpful [verb]	8
5	[coord] it is helpful [verb]	7
6	[adv] it is helpful [verb]	5
7	[noun sg] it is helpful [verb]	5
8	[adv] it is helpful [verb]	5
9	and it is helpful [verb]	5
10	think it is helpful [verb]	5
11	[vb base] it is helpful [verb]	5
12	and it is helpful [verb]	5
13	it is [adv] helpful [verb]	44
14	it is [adv] helpful [verb]	40
15	it is also helpful [verb]	9
16	it is also helpful [verb]	9
17	it is more helpful [verb]	7
18	it is more helpful [verb]	7
19	it is often helpful [verb]	5
20	it is often helpful [verb]	5
21	it is helpful [verb] [art]	27
22	it is helpful [verb] [art]	27
23	it is helpful [verb] [prep]	15
24	it is helpful [verb] [prep]	15
25	it is helpful [verb] a	14
26	it is helpful [verb] the	13
27	it is helpful [verb] a	13
28	it is helpful [verb] the	13
29	it is helpful [verb] [adj]	12
30	it is helpful [verb] [adv]	10