SN4 ""

No	Pattern	Freq
1	[conj] it [be] sometimes [verb]	59
2	[subord] it [be] sometimes [verb]	48
3	as it [be] sometimes [verb]	29
4	as it [be] sometimes [verb]	29
5	[noun] it [be] sometimes [verb]	13
6	[noun sg] it [be] sometimes [verb]	11
7	[adv] it [be] sometimes [verb]	10
8	[adv] it [be] sometimes [verb]	10
9	although it [be] sometimes [verb]	7
10	although it [be] sometimes [verb]	7
11	[coord] it [be] sometimes [verb]	6
12	though it [be] sometimes [verb]	5
13	that it [be] sometimes [verb]	5
14	which it [be] sometimes [verb]	5
15	[Wh det] it [be] sometimes [verb]	5
16	though it [be] sometimes [verb]	5
17	that it [be] sometimes [verb]	5
18	[that] it [be] sometimes [verb]	5
19	[pron] it [be] sometimes [verb]	5
20	which it [be] sometimes [verb]	5
21	it [be] [adj] sometimes [verb]	7
22	it [be] [adj] sometimes [verb]	6
23	it [be] sometimes [adj] [verb]	127
24	it [be] sometimes [adj] [verb]	114
25	it [be] sometimes difficult [verb]	30
26	it [be] sometimes difficult [verb]	30
27	it [be] sometimes possible [verb]	22
28	it [be] sometimes possible [verb]	22
29	it [be] sometimes hard [verb]	15
30	it [be] sometimes hard [verb]	15