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I have sent you a letter is the most popular phrase on the web.

I had sent you a letter 1120,000 results on the web	I have sent you a letter 1228,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Peter, I sent you a letter. I sent you a letter from Kabul... but the dukhs downed our aircraft. Some lawyer sent you a letter. He mentioned that both the Slovakian and Polish flags were flying at half Seo In Chan's girlfriend, Han Se Gyeong, sent you a letter. mast and that he had sent a letter of condolences to both Heads of State. I sent you a letter before they knew what was wrong. King Francis has sent you a letter.	I have sent a letter to Hitler informing him, as of June 10th Italy will enter the war and fight by Germany's side. I have sent a letter to the Bishop. I have sent him a letter, asking for his cooperation. Mr President, I have already sent you a letter President Pottering said: I would like to inform you that I have sent a letter to the Prime Minister and the Deputy Prime Minister to congratulate them. and I would like to ask you under which rule the microphone was switched off and why it was relevant to apply this rule. to which I have not received an answer So I have sent a letter to the Maltese authorities and the Foreign Minister will visit us tomorrow.

I had sent you a letter

1120,000 results on the web

I have sent you a letter

1228,000 results on the web

More popular!

I have sent a letter to Hitler informing him, as of June 10th Italy will enter the war and fight by Germany's side.
I have sent a letter to the Bishop.
I have sent him a letter, asking for his cooperation.
Mr President, I have already sent you a letter
President Pottering said: I would like to inform you that I have sent a letter to the Prime Minister and the Deputy Prime Minister to congratulate them.
and I would like to ask you under which rule the microphone was switched off and why it was relevant to apply this rule.
to which I have not received an answer
So I have sent a letter to the Maltese authorities and the Foreign Minister will visit us tomorrow.