I've been forgetful lately. I've been forgetful these days.(最近我總是丟三落四的。)

Your friend is forgetful and often forgets to submit assignments.(你的朋友很健忘，經常忘記提交作業。)

Is forgetful in daily activities.(日常活動健忘。)

My mother has become very forgetful and confused.(我母親已變得很健忘很糊涂了。)

W: How forgetful you are! Ours are on the other side, there.(W：瞧你這記性！我們的在另一邊，那兒呢。)

His father began to lose his memory bit by bit, becoming increasingly forgetful.(他父親的記憶力開始一點點衰退，變得越來越健忘。)

She used to be careless and forgetful.(她過去很粗心，也很健忘。)

The English are too forgetful to dislike Catholics seriously.(英國人太健忘了，所以對天主教徒的憎恨并不強烈。)

She is a forgetful girl.(她是個健忘的女孩。)

While she was forgetful of him, he had found her again!(當她把他忘了的時候，他又把她找著了！)