Today, I onlywill talk about Mormon missionaries. Today, I will talk about Mormon missionaries.

Today, I will (only talk OR be talking) about Mormon missionaries. Today, I will (only talk OR be talking) about Mormon missionaries.

Today, I'll only talk about Mormon missionaries. Today, I'll only talk about Mormon missionaries.

Today, I onlywill talk about Mormon missionaries. Today, I will talk about Mormon missionaries.

In Canada, where I am staying around, most of the missionaries are from the USA, and some of them proudly claim their family have been in the faith of Mormonism for over a hundred years. In Canada, where I am staying, most of the missionaries are from the USA, and some of them proudly claim their family have been in the faith of Mormonism for over a hundred years.

In Canada, where I a'm staying around, most of the missionaries are from the USA, and some of them proudly claim their familyies have been in the faith of Mormon faith for over a hundred years. In Canada, where I'm staying, most of the missionaries are from the USA, and some of them proudly claim their families have been in the Mormon faith for over a hundred years.

families because plural, families of missionaries if "their family" it implies they all are from the same family

Boys and girls from these families wouldare dispatched worldwide to serve as missionaries for about two years, and mainly in Canada, Australia and New Zealand. Boys and girls from these families are dispatched worldwide to serve as missionaries for about two years, and mainly in Canada, Australia and New Zealand.

Boys and girls from these families would be dispatched worldwide to serve as missionaries for about two years, and mainly in Canada, Australia and New Zealand. Boys and girls from these families would be dispatched worldwide to serve as missionaries for about two years, mainly in Canada, Australia and New Zealand.

I'd prefer "Children" over "Boys and girls" in this sentence.

Boys and girls from these families would be dispatched worldwide to serve as missionaries for about two years, and mainly in Canada, Australia and New Zealand. Boys and girls from these families would be dispatched worldwide to serve as missionaries for about two years, mainly in Canada, Australia and New Zealand.

dispatched needs "be" as something other than them caused them to be dispatched

I once asked a Baptist Pastor, how does what he thinks of Mormonism. I once asked a Baptist Pastor what he thinks of Mormonism.

Alternative: ... what he thinks of Mormons.

I once asked a Baptist Ppastor, how doeswhat he thinks of Mormonism. I once asked a Baptist pastor, what he thinks of Mormonism.

I once asked a Baptist Pastor, how does what he thinks of Mormonism. I once asked a Baptist Pastor what he thinks of Mormonism.

What he thinks about Mormonism = also ok

He said that this group is only coated with Christianity, although they claim they believe in God. He said that this group is only coated with Christianity, although they claim they believe in God.

Alternative: ... cloaked in Christianity, although they claim they believe in God.

He said that this group is onmerely coated with Christianity, although they claim they believe in God. He said that this group is merely coated with Christianity, although they claim they believe in God.

merely: Like only but with negative connotation

He said that this group is only coloosely related withto Christianity, although they claim they believe in God. He said that this group is only loosely related to Christianity, although they claim they believe in God.

Sorry I didn't understand what you meant, I corrected this as if you were trying to say they aren't that close

Boys are usually in clean formal suits, and shining leather shoes and. They are always courteous, and look energetic and active, while girls are in dresses and look elegant. Boys are usually in clean formal suits, and shining leather shoes. They are always courteous, and look energetic and active, while girls are in dresses and look elegant.

BThe boys are usually in clean formal suits, and shining leather shoes, and are always courteous, and. They look energetic and active, while girls are in dresses and look elegant. The boys are usually in clean formal suits, shining leather shoes, and are always courteous. They look energetic and active, while girls are in dresses and look elegant.

Use "and" less and make sentences clearer by splitting them.

BThe boys are usually in clean formal suits, and shining leather shoes, and are always courteous, and look. They energetic and active, while the girls are in dresses and look elegant. The boys are usually in clean formal suits and shining leather shoes, and are always courteous. They energetic and active, while the girls are in dresses and look elegant.

commas to group the clothes together. It's better to not use so many "and"'s consecutively though

They oftend to be pushy and follow every potential Mormon new member. They tend to be pushy and follow every potential Mormon new member.

They often push on to and follow everany potential (new Mormon new member.members. OR Mormon converts.) They often push on to and follow any potential (new Mormon members. OR Mormon converts.)

They often push and follow every potential new Mormon new member. They often push and follow every potential new Mormon member.

the order of adjectives is very difficult for even native speakers, but it should be this way (you'll get it with time) generally the more specific the adjective, the closer to the noun

Moreover, these missionaries pay half of their expenses themselves whilen at work, andwhile the church pays the other half. Moreover, these missionaries pay half of their expenses themselves while at work, while the church pays the other half.

"while" to show it's being done at the same time

On their official website, they do not solicitly donations publicly, but encourage making private support. On their official website, they do not solicitly donations publicly, but encourage private support.

On their official website, they do not solicitly donations publicly, but encourage making private supportcontributions. On their official website, they do not solicit donations publicly, but encourage making private contributions.

On their official website, they do not solicitly donations publicly, but encourage making private support. On their official website, they do not solicit donations publicly, but encourage private support.

Support is also a verb, so you can just say encourage support. No such thing as "making support" in English

That's what I know about Mormon missionaries. That's what I know about Mormon missionaries.