Dear Mr. Darcy
I am writing to address an occuring issue concerning your 
dog
 (Harry). Since you have Use synonyms
build
 a Wrong verb form
built
dog
 house for Use synonyms
harry
 in your Capitalize word
Harry
backyard
, and decided to keep him without a leash, he freely wanders around and often visits my Use synonyms
backyard
. 
       In my Use synonyms
Use synonyms
backyard
 I grow my vegetables, shrubs and flowers, which Add a comma
backyard,
has
 been destroyed by your Correct subject-verb agreement
have
dog
.  Use synonyms
This
 Linking Words
occured
 several times and Correct your spelling
occurred
this
 has caused me a substantial amount of inconvenience, as all my efforts to grow my plants Linking Words
results
 in vain.  Wrong verb form
resulted
Additionally
, he Linking Words
also
 Linking Words
prefer
 to do his business on my lawn and I have to clean it regularly, which has Change the verb form
prefers
exacerbrated
 my problems. 
       To mitigate Correct your spelling
exacerbated
this
 issue, I propose using a leash that could Linking Words
constraint
 your Replace the word
constrain
dog
 to stay in your Use synonyms
backyard
.  I hope you can sympathize with my problems and take Use synonyms
a 
prompt action to resolve Correct article usage
apply
Linking Words
otherwise
, I would be obliged to call animal control services. 
        I trust you to take an appropriate measure to resolve Correct pronoun usage
them otherwise
this
 issue. 
Yours sincerely, 
John DoeLinking Words