Eng 11 HW sentence feedback

Today, I had an ice-breaker/ice-breaking talk with Joan. XXX
At 3 o'clock, we will have a snack.
Visiting The Great Wall of China/ Mecca was a life-changing experience.

He is 20-year-old. XXX
He is 20-year-old. hyphenated word XXX
He is 20 years old.
He is a 20-year-old man.

She has been lived in Canada. XXX vf
She lives in Canada.
She has been living in Canada.
She has lived in Canada for 5 five years.
has lived present perfect 
1-10 write it out one two three four five six seven eight nine ten
15 - use the numeral

has lived present perfect, then until NOW, present
When we use present perfect, we often,usually put a time indicator next it.
Maria has lived in Canada since March, 2002.
Maria has lived in Canada for 18 years.
Maria has lived in Canada for 18 years so far.
Maria has lived in Canada, Japan, Brazil, and Korea so far.
so far  more is coming
Sarah has taken Chem 11, Physics 12, and English 10 so far.

yet - at the end of a sentence
negative - I haven't ordered the dress yet.
DIFFERENCE:
I didn't do Math 11.
I didn't do Math 11 yet. - some at the end
I haven't done Math 11 yet. Fancier verb
I have yet to do Math 11. Very fancy talking.

Commas are very personal- some people use them a lot; others use them sparingly.
Your writing style will influence how you use commas.

Have you finished your homework yet?


COMPOUND SENTENCES
, and   , but    , so    , or     

Jane is a student, and she is married.
SV , and SV.

We first time talk about our families. AWK, PHRASING
We talked about our families for the first time.
We talked for the first time about our families.
For the first time, we talked about our families.
This was the first time that we talked about our families.

noun clause
The first time we talked was about our families.
DIFFERENT MEANING
The first time, we talked was about our families.

Jim traveled to some places.
Michele listens to the radio.
He will apply to Langara (College).
He will apply to/for culinary school.

She came from Japan, and immigrated to Canada in 2016. XXX
She came from Japan and immigrated to Canada in 2016.
She came from Japan, and she immigrated to Canada in 2016.
She came from Japan; she immigrated to Canada in 2016.
She Jan who came from Japan immigrated to Canada in 2016.

Prepositions don't follow rules that I know of. They are idiomatic. You just have try to remember them. That is a huge task. These are called phrasal verbs.
verb + preposition
talk + to
talk + with
talk + about
talk + for
talk + over
talk + behind your back
talk + to my face

Phrasal verbs: 
https://www.scribd.com/document/338243913/phrasalverblisteasypacelearning-pdf

200 phrasal verbs:
https://www.englishclub.com/vocabulary/phrasal-verbs-list.htm

After 25 years in Canada, my wife still finds prepositions in English to be confusing and stupid.