Hi! Are these all correct? Also how is 3 different from 1 and 2 grammatically? Thanks, Fulvio
1. I'm certain it's a shark.
2. I'm certain that it's a shark.
3. I'm certain that's a shark.
All three are correct but #3 is different than #1 or #2. The difference between #1 and #2 is simply that #1 drops the "that" but the word is understood to be there. Now whatever "it" is in #1 and #2, it is something that the speaker and the listener have been discussing.
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All three are correct but #3 is different than #1 or #2. The difference between #1 and #2 is simply that #1 drops the "that" but the word is understood to be there. Now whatever "it" is in #1 and #2, it is something that the speaker and the listener have been discussing. But #3 is pointing to something, saying that thing is a shark. The word "that" thus has a different gramma