SN4 ""

No	Pattern	Freq
1	be so important	338
2	[be] so important	338
3	[is] so important	207
4	is so important	161
5	[adv] so important	60
6	[was/were] so important	47
7	[am/are] so important	47
8	are so important	46
9	's so important	46
10	[verb] so important	44
11	was so important	41
12	[not/n't] so important	40
13	not so important	40
14	[noun] so important	36
15	not so important	30
16	[pron] so important	23
17	[noun sg] so important	23
18	[adv] so important	20
19	been so important	17
20	[been] so important	17
21	[be] so important	16
22	be so important	16
23	become so important	15
24	[vb pp] so important	15
25	[pers pn] so important	13
26	[vb past] so important	12
27	it so important	11
28	it so important	11
29	n't so important	10
30	[indef pn] so important	9