Question

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I always write a letter to my friend

I'm writing a lettter to my friend

I have already written a letter to my friend

I wrote a letter yesterday to my friend

I was writing a letter to my friend

I will write a letter to my friend

Answer 1

A letter is always written to my friend
A letter is beeing always written to my friend
A letter has been already written to my friend
A letter was written to my friend yesterday
A letter was beeing written to my friend
A letter will be written to my friend  

Answer 2

Letter is always wrote

A letter is being written

Letter has been written

Letter had been written previous day

Letter was being written

Letter was being written

Letter will be written