SN4 ""

No	Pattern	Freq
1	[be] equivalent to	407
2	be equivalent to	406
3	[is] equivalent to	257
4	is equivalent to	244
5	[adv] equivalent to	176
6	[adv] equivalent to	163
7	[noun] equivalent to	80
8	[noun pl] equivalent to	67
9	be equivalent to	51
10	[be] equivalent to	51
11	[was/were] equivalent to	50
12	[conj] equivalent to	39
13	roughly equivalent to	38
14	roughly equivalent to	38
15	[am/are] equivalent to	37
16	was equivalent to	37
17	are equivalent to	37
18	[subord] equivalent to	30
19	as equivalent to	28
20	as equivalent to	28
21	[pron] equivalent to	21
22	approximately equivalent to	18
23	approximately equivalent to	18
24	[indef pn] equivalent to	16
25	[verb] equivalent to	15
26	[adj] equivalent to	15
27	were equivalent to	13
28	not equivalent to	13
29	[not/n't] equivalent to	13
30	not equivalent to	13