SN4 ""

No	Pattern	Freq
1	[noun] and [is]	6251
2	[noun sg] and [is]	3960
3	[noun pl] and [is]	1515
4	[adj] and [is]	1079
5	[verb] and [is]	682
6	[adj] and [is]	641
7	[noun prp] and [is]	597
8	[adv] and [is]	399
9	[vb pp] and [is]	370
10	[num] and [is]	363
11	[adv] and [is]	319
12	year and [is]	159
13	[n mass] and [is]	157
14	[be] and [is]	127
15	[vb -s] and [is]	127
16	be and [is]	124
17	[pron] and [is]	120
18	years and [is]	102
19	[unc] and [is]	92
20	[no cls] and [is]	79
21	[pers pn] and [is]	79
22	[to-vb] and [is]	77
23	[adv prt] and [is]	75
24	[prep] and [is]	63
25	[prep] and [is]	63
26	[was/were] and [is]	61
27	was and [is]	60
28	year and [is]	57
29	time and [is]	55
30	[v-ing] and [is]	47