SN4 ""

No	Pattern	Freq
1	[verb] to be [v-ing] to	154
2	[verb] to [be] [v-ing] to	154
3	seem to [be] [v-ing] to	66
4	[vb past] to [be] [v-ing] to	53
5	seemed to [be] [v-ing] to	34
6	[vb pp] to [be] [v-ing] to	31
7	[vb -s] to [be] [v-ing] to	28
8	appear to [be] [v-ing] to	21
9	seems to [be] [v-ing] to	20
10	[verb] to [be] talking to	17
11	[vb infin] to [be] [v-ing] to	17
12	[verb] to [be] going to	15
13	[vb base] to [be] [v-ing] to	13
14	go to [be] [v-ing] to	12
15	going to [be] [v-ing] to	12
16	[v-ing] to [be] [v-ing] to	12
17	[verb] to [be] coming to	9
18	appeared to [be] [v-ing] to	9
19	[verb] to [be] listening to	8
20	[verb] to [be] responding to	7
21	[verb] to [be] referring to	7
22	appears to [be] [v-ing] to	6
23	seem to [be] [v-ing] to	6
24	seem to [be] [v-ing] to	6
25	seen to [be] [v-ing] to	5
26	have to [be] [v-ing] to	5
27	say to [be] [v-ing] to	5
28	said to [be] [v-ing] to	5
29	see to [be] [v-ing] to	5
30	[verb] to [be] speaking to	5