Result complements

规则 The complement clamps onto the verb with nothing between them:
完 finished · 到 got/managed · 懂 understood · 见 perceived · 错 wrongly · 好 done properly
我看完了。 我听懂了。 我找到了。 我写错了。
Negative: 没 + verb + complement, and the 了 goes — 我没看完。 Never 我没看完了。