no doubt
fixed phr..fixed phr.. you use this when you are quite sure that something is true or will happen.
fixed phr.. an adverbial phrase used to express a high degree of certainty or probability; functions as a sentence adverbial or a parenthetical comment.
No doubt he will be late again.
There is no doubt that the new policy will cause some confusion among the staff.
The findings of the report will no doubt influence the government's decision regarding future infrastructure investments.
often placed at the beginning of a sentence or after the first auxiliary verb.
contrast with 'without a doubt' (which expresses 100% certainty) and 'doubtless' (which can sound more formal or slightly more speculative).
No doubt that he is coming.No doubt he is coming.while 'there is no doubt that' is correct, the shorter phrase 'no doubt' usually acts as an adverb and does not require 'that'.