SN4 ""

No	Pattern	Freq
1	[pron] be very important	431
2	[pers pn] be very important	406
3	it be very important	377
4	it be very important	377
5	[noun] be very important	343
6	[noun sg] be very important	229
7	[adj] be very important	107
8	[noun pl] be very important	104
9	[det] be very important	100
10	[vb mod] be very important	59
11	[modal v] be very important	59
12	that be very important	52
13	that be very important	52
14	this be very important	39
15	this be very important	39
16	[verb] be very important	38
17	[prep] be very important	26
18	[prep] be very important	26
19	to be very important	24
20	to be very important	24
21	[Wh det] be very important	22
22	which be very important	20
23	which be very important	20
24	can be very important	17
25	can be very important	17
26	[conj] be very important	17
27	[vb base] be very important	15
28	have be very important	15
29	they be very important	15
30	they be very important	14