SN4 ""

No	Pattern	Freq
1	[verb] [pers pn] is [adv]	1094
2	[verb] it is [adv]	793
3	[verb] it is [adv]	792
4	[vb base] [pron] is [adv]	578
5	[verb] [Wh det] is [adv]	404
6	[vb -s] [pron] is [adv]	365
7	[verb] what is [adv]	286
8	[verb] what is [adv]	286
9	think [pron] is [adv]	247
10	say [pron] is [adv]	231
11	[vb infin] [pron] is [adv]	200
12	[to-vb] [pron] is [adv]	191
13	[v-ing] [pron] is [adv]	188
14	think [pron] is [adv]	181
15	[verb] he is [adv]	164
16	[verb] he is [adv]	150
17	[verb] there is [adv]	147
18	[verb] [ex0] is [adv]	147
19	[verb] there is [adv]	147
20	says [pron] is [adv]	142
21	[verb] [pron] is now	123
22	[vb pp] [pron] is [adv]	122
23	[verb] which is [adv]	117
24	[verb] which is [adv]	117
25	[verb] [pron] is very	112
26	[verb] [pron] is still	100
27	[vb past] [pron] is [adv]	81
28	believe [pron] is [adv]	79
29	[verb] [pron] is more	63
30	know [pron] is [adv]	63