The correct phrase using 'forefront', meaning 'in front' or 'at the front of' is 'at the forefront', as in, 'They were at the forefront of technology in this field', or 'They are considered to be at the forefront of services to the homeless'.
Also correct is 'in the forefront', as in, 'Their family was in the forefront of the rebellion', or 'The house was in the forefront of the painting'.
You could also bring something 'to the forefront', as in, 'Recent events have brought these issues to the forefront of international debate.'
It means the beginning... leading the development.
'In the hope that' is the correct phrase.
This is not a sentence it is a phrase and as a phrase it is correct.
That is the correct spelling of "phrase" (word group, or to use specific words).
The correct phrase is "sufficient proof".
It depends on how you use the phrase: Can you provide me a copy of your CV? - correct
No, the correct phrase is veni vidi vici.
If you are referring to this sentence, no, it does not resemble a correct phrase AT ALL.
yes it's correct. is a phrase..
I love you too, babe is the correct phrase
You are welcome is correct!
Yes, it is correct.