SN4 ""

No	Pattern	Freq
1	be so easy	205
2	[be] so easy	205
3	[adv] so easy	170
4	not so easy	130
5	[not/n't] so easy	130
6	not so easy	116
7	[is] so easy	102
8	's so easy	59
9	be so easy	45
10	[be] so easy	45
11	is so easy	43
12	[adv] so easy	39
13	[verb] so easy	34
14	[was/were] so easy	30
15	[pron] so easy	29
16	[pers pn] so easy	24
17	was so easy	23
18	it so easy	22
19	it so easy	22
20	been so easy	18
21	[been] so easy	18
22	quite so easy	16
23	quite so easy	16
24	n't so easy	14
25	look so easy	11
26	[am/are] so easy	10
27	seem so easy	10
28	[conj] so easy	9
29	[vb past] so easy	9
30	[vb infin] so easy	9