It's a great idea, that of helping you with your daily routine.
He is a clever guy, however that of low self-esteem.
Nebo třeba:
Do you remember that car, that of condition beyond repair?
Správně?
Nebo by to muselo být:
It's a great idea, (the)one of helping you with your daily routine.
He is a clever guy, however (the) one of low self-esteem.
Do you remember that car, the one of condition beyond repair?
Zkusí se k tomu někdy vyjádřít, co je dobře a co špatně, a jestli v těch dvou předposledních větá musí být člen the…?