If you mean am as in something you are going to do, it won't work with yesterday unless you change the tense to a past word. So change am into was or another past tense verb.
"Yesterday, I was going to the store."
"Yesterday, I went to the store."
If you mean AM as in the time, you might say, "I got up yesterday at 7:00 AM."
Creating stuck question (presumably due to the period at the end)
I was very lazy yesterday.
The Latin word meaning "yesterday" is heri.
Yesterday, the entire city was under a blackout.
There was an equivalent fraction in math class yesterday afternoon.
The Luhya word for the English word yesterday is jana.
I saw a weird looking creature at the zoo yesterday and it bit me
hierThe french word for yesterday is 'hier'.
The word yesterday is an adverb.
The Sanskrit word for "yesterday" is "अपरस्य" (aparasya).
Well, If you look in a dictionary, the word Today comes before Yesterday. Hope this helps.
Putting putting is the present participleExample in a sentence: Yesterday I saw her putting on her lawn sprinkler.The past participle is putThey have put the fire out
The schwa vowel for the word "yesterday" is /ə/. It is the unstressed sound in the second syllable of the word.