He collapsed from a heart attack.

He is researching artificial humans.

He carefully stores that collector's edition book.

We are working on the manufacturing of new products.

His imagination is infinite.

My house is currently being remodelled.

I specialize in photographic processing.

I can't imagine how deep his suffering is.

He stores food in preparation for winter.

The Great Vowel Shift played a significant role in the history of English.