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which is correct?

*i prefer to be alone or i preferred to be alone
*may i speak with ... or may i speak to ....
*i have to go or ive got to go?
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All are wrong. Sentences must begin with capital letters and end with full stops (periods). Any variant of "I" must be capitalised. "I've" has an apostrophe.

These are absolute, basic, bedrock rules that you must satisfy before moving on to more complex questions.

Cheers

John.
Comments  
umm that isnt exactly what i wanted to know.Emotion: smile i already know that sentences must begin with capital letters and that "I" must be capitalized... i just wanted to know which of the two is correct: i PREFER to be alone or i PREFERRED to be alone?
may i SPEAK TO or may i SPEAK WITH?
i HAVE to go or i HAVE GOT to go?