Today I sent to my friend an email, and I to asked him, but some questions. However, I am not sure if my questions are written in correct or notEnglish. Today I sent my friend an email to ask him some questions. However, I am not sure if my questions are written in correct English.

Today I sent to my friend an email, and I asked him, b stuff. But I am not sure if my questions are correct or not. Today I sent my friend an email, and I asked him stuff. But I am not sure if my questions are correct or not.

I think "I sent to my friend an email" is ok, but it sounds a little more natural without the "to". You can keep the "to" and still sound perfectly natural by swapping the order: "I sent an email to my friend."

Today, I sent to my friend an email, and I asked him, but some questions, though I am not sure if my questions awere correct or not. Today, I sent my friend an email and asked him some questions, though I am not sure if my questions were correct.

Today I sent to my friend an email, and I asked him, but I am not sure if my questions are worded correctly or not. Today I sent my friend an email, and I asked him, but I am not sure if my questions are worded correctly or not.

Today I sent to my friend an email, and I asked him. some questions, but I am not sure if my questions are correct or not. Today I sent my friend an email, and I asked him. some questions, but I am not sure if my questions are correct or not.

Today I sent to my friend an email, and I asked him, but I am not sure if my questions awere correct or not. Today I sent my friend an email, and I asked him, but I am not sure if my questions were correct or not.

"I sent my friend an email" or "I sent an email to my friend". "Were", because the questions have already been asked.

Today I can't film my recipe video because I feel too tired to do it. Today I can't film my recipe video because I feel too tired to do it.

Today I can't film my recipe video because I feel too tired to do it. Today I can't film my recipe video because I feel too tired to do it.

Today, I caouldn't film my recipe video because I feel tired to do itlt too tired. Today, I couldn't film my recipe video because I felt too tired.

Today I can't film my recipe video because I feel tired to do it. Today I can't film my recipe video because I feel tired.

TodaUnfortunately I can't film my recipe video today because I feel tired to do it. Unfortunately I can't film my recipe video today because I feel tired to do it.

the initial sentence was fine, but starting two sentences with "today" is a bit repetitive, so I've rearranged it to flow better.

Have you spend a greatlot of time / a great deal of time with your mother and your family? Have you spend a lot of time / a great deal of time with your mother and your family?

Have you spend a greatt much time with your mother and your family? Have you spent much time with your family?

"Your mother and your family" is redundant.

Have you spendt a great time with your mother and your family? Have you spent a great time with your mother and your family?

HaveDid you spend a greathave a good time with your mother and your family? Did you have a good time with your mother and your family?

HaveDid you spendhave a great time with your mother and your family? Did you have a great time with your mother and your family?

HaveDid you spendhave a great time with your mother and your family? Did you have a great time with your mother and your family?

"Did you spend" or "Have you spent" both work, but I mainly see "spend" followed by quantitative (some, a bit of, a long) rather than qualitative (great, fun, miserable) adjectives.

Today I also read the corrections whofrom people who corrected for memy writing yesterday. Today I also read the corrections from people who corrected my writing yesterday.

Today I also read the corrections whothat people corrected for me yesterday. Today I also read the corrections that people corrected for me yesterday.

In this sentence, "who" refers to the corrections, but we are only allowed to use "who" to refer to people.

Today, I also read the corrections who people correctedmade for me yesterday. Today, I also read the corrections people made for me yesterday.

Today I also read the corrections whothat people corrected forgave me yesterday. Today I also read the corrections that people gave me yesterday.

Today I also read the corrections whofrom people who corrected my writing for me yesterday. Today I also read the corrections from people who corrected my writing for me yesterday.

Today, I also read the corrections from who people corrected for me yesterday. Today, I also read the corrections from who people corrected for me yesterday.

"of" can be used instead of "from"