faydalı

The grammar book is useful.

The content is very useful.

The exercise is hard, but useful.

The notebook that he took notes in looks messy, yet it contains very useful information.

Useful suggestions about the new project were offered at the meeting, and after listening to my friend’s suggestion, we changed our plan.

To receive advice, it is useful to talk with humble people and put in a lot of effort.

While doing research, it is useful to also listen to the specialist's opinions.

(I obtained useful information for my trip plan by consulting the library catalog.)

Help is useful.

The real-time report is useful.

There is useful material in the classroom.

Today's visit is very useful.

The compass is useful.

It is useful to wear a safety vest while running in the park.

I am reading this journal carefully because it contains useful information.

Watching films with subtitles is considered useful for improving the language.