Yes! Immediately exit the building. Immediately turn on your television. Immediately look up Mitch Longley. And so on and so forth.
can you start a sentence using the word phishing?
no!
'It is of utmost importance that you get this done immediately'
No, you cannot start a sentence with "no" unless you need to do so. No reason exists not to start a sentence with that word, as you can see. No one will care if you do start a sentence with it.
What sentence would you like?
When it is at the start of a sentence.
Immediately the rain stopped, he went out. Immediately you have finished that book, I want you to help me.
start it out with the
Of course you can. There is no word in English that cannot begin a sentence.
"I beg your pardon, but I must leave immediately."
The first word of a sentence must start with a capital letter. There are millions of ways to start a sentence!
When I got the stranger's phone call I immediately gave it to my mom and my mom called the police.