Answers

2015-02-25T09:06:40+05:30
"We shall certainly miss you"  is the correct one...
0
Is 'certainly' adverb of manner?
no not at all....
it is Adverbs of Confirmation and Negation
ex- They will certainly like this vase.
yes i think so but not sure
2015-02-25T10:18:10+05:30
It should be - We shall certainly miss you.
0
Is 'certainly' adverb of frequency?