CHIA ĐỘNG TỪ HTHT, QKĐ I'm sorry, I.........earlier, but I.........a lot lately. (not/to write - to work)

=> haven't written/have worked

lately -> thì HTHT

thì HTHT:
(+) S have/has V3/ed

(-) S have/has not V3/ed

(?) Have/Has S V3/ed?

Động từ bất quy tắc:

write - wrote - written