conjunction ; and, or

We use ,in a sentence, conjunction words to connect word and word, sentence and sentence and so on.

1.noun and noun
to : and
ka / aruiwa: or
koohii to ocha : coffee and tea
koohii : coffee
ocha : tea
anata to watashi : you and I
anata ka watashi : you or I

2.sentence and sentence
soshite / sorede : and
ka / aruiwa : or
Anata ga kita. Soshite watashi wa itta: You came. And I went.
Anata ga itta. Aruiwa kare ga itta. : You went. Or he went.
iku: go
(ika-nai,iki-masu,iku,iku-toki,ike-ba,ike,ikou,itta)

3.verb and verb
In connecting verb and verb, the verb should be conjugated.
Itte miru : Go and see.
iku : go
(ika-nai,iki-masu,iku,iku-toki,ike-ba,ike,ikou,itta)
itte : euphonic change of "iki"(iki-masu)+te : iki -te : go and
Kaite yomu : write and read
kaku : write
(kaka-nai,kaki-masu,kaku,kaku-toki,kake-ba,kake,kakou,kaita)
kaite : euphonic change of "kaki"(kaki-masu)+te : kaki-te : write and

If you forgot to make euphonic change and say " kakite miru", it is not wrong but old Japanese which samurai used.

Totte nageru : Catch and throw
toru : catch
(tora-nai, tori-masu,toru,toru-toki,tore-ba,tore,torou,totta)
totte : tori+te : catch and
nageru : throw
(nage-nai,nage-masu,nageru,nageru-toki,nagere-ba,nagero,nageyou,nageta)

Nagete toru : Throw and catch
nagete : nage-te : catch and
(Above case, there is no euphonic change)