In English like is a verb but in Japanese it is a adjective. Suki (好き) is a na keiyoushi and can mean either love or like. It's usually pronounced with a silent u sound (making it sound more like the English word ski).
(I) like peaches = momo ga suki (ももが好き)
(I) like music = ongaku ga suki (音楽が好き)
(I) also like this = kore mo suki da (これも好きだ)
You can add desu to the end of suki to make the sentence polite.
(My) boyfriend likes music = kareshi wa ongaku ga suki desu
What do you like? = nani ga suki desu ka (何が好きですか)
The negative form of suki is the same as the negative form of desu. All na keiyoushi are conjugated this way. You can use the same endings to express other tenses.
Don't like = suki ja nai (好きじゃない)
Don't like cockroaches = gokiburi ga suki ja arimasen
That movie, (I) did not like = sono eiga ga suki ja nakatta
To express that you have a strong liking to something you add the word dai (大) before suki.
(I) really like this = kore daisuki (これ大好き)
(I) really like school = gakkou ga daisuki (学校が大好き)
The word koto (こと) means things about. This word can be used on people or things. When it's used on people, it emphasizes the person as a whole.
I love you = anata no koto ga suki desu (あなたのことが好きです)
In Japanese, kirai (嫌い) is an adjective that means hate. This is the only na adjective that ends in I.
This cat hates dogs = kono neko wa inu ga kirai
(I) don't hate chicken meat = toriniku ga kirai ja nai
(I) really hate that = sore daikirai (それ大嫌い)