SN4 ""

No	Pattern	Freq
1	[pers pn] is [conj]	2043
2	it is [conj]	1585
3	it is [conj]	1581
4	[pron] is [that]	1319
5	[pron] is that	1318
6	[pron] is that	1318
7	[pron] is [subord]	766
8	[pron] is [coord]	644
9	[pron] is because	361
10	[pron] is because	361
11	[pron] is and	330
12	[pron] is and	330
13	[Wh det] is [conj]	290
14	[pron] is as	229
15	[pron] is as	229
16	which is [conj]	210
17	which is [conj]	210
18	[indef pn] is [conj]	184
19	[pron] is but	174
20	[pron] is but	174
21	one is [conj]	165
22	one is [conj]	165
23	there is [conj]	160
24	[ex0] is [conj]	160
25	there is [conj]	160
26	he is [conj]	139
27	[pron] is or	135
28	[pron] is or	135
29	he is [conj]	111
30	me is [conj]	81