Yes you can; example:
Hopefully, my refund check will come before the rent is due.
Yes, you can start a sentence with the word hopefully. Example: Hopefully you understand the difference between a simile and a metaphor.
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.
When you need a command sentence for sillier. IT can not start with word that has I in iy.
Yes. 'Thus' is another word for 'therefore'. Thus the sentence you start of with 'thus' should be an explanatory sentence.
No. Only if it's the start of the sentence then you capitalize it.
Sometimes. BUT it depends on the sentence you had in mind. Very rarely the sentence works with but as the starting word.
Yes, the word hopefully is an adverb.An example sentence is "she will hopefully say yes to my proposal".
yes
can you start a sentence using the word phishing?
No. There is no word in English that cannot start a sentence.
I usually respond based on the context of the conversation.
I will formally introduce you to my family and hopefully they will like you.
culminate?
no!
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.
Certainly! Here is an example: "Me and my friends went to the movies last night."