Keith is my best friend.

His movements were mechanical, as if devoid of emotion.

Our family has become multicultural through intermarriage.

Our families have been intermarrying for a long time.

I use a clamp to secure this wood.

He set up the detonator.

He detonated the bomb.

I will attend the lecture held at the university today.

He lectured to the students.

I wash my hands with liquid soap every day.