SN4 ""

No	Pattern	Freq
1	[conj] it have become	212
2	[noun] it have become	103
3	[subord] it have become	94
4	[that] it have become	61
5	that it have become	61
6	that it have become	61
7	[noun sg] it have become	60
8	[coord] it have become	57
9	[adv] it have become	55
10	[adv] it have become	43
11	[noun pl] it have become	37
12	and it have become	32
13	and it have become	32
14	[verb] it have become	30
15	as it have become	28
16	as it have become	28
17	but it have become	25
18	but it have become	25
19	[adj] it have become	24
20	year it have become	21
21	years it have become	21
22	because it have become	21
23	because it have become	21
24	[pron] it have become	21
25	[num] it have become	20
26	[Wh det] it have become	19
27	time it have become	13
28	time it have become	13
29	[Wh adv] it have become	12
30	if it have become	12