Jawaban:

If want to use the simple past sentences, the key is you must use verb 2

example:

i (went) to the market yesterday

•went is verb 2 of go"

and if you want to use the present perfect sentences

you must use have/has verb 3

example:

i have (invited) by nina to come, to her birthday party

Penjelasan:

kamu juga harus memperhatikan rumus² simple past dan simple present, lumayan beragam rumusnya tergantung dari subjek. Untuk rumus kamu bisa cari di Internet. Semoga membantu

Sorry kaloo salah ya