How to Use "ticking" with Example Sentences

1. His pacemaker kept on ticking .
2. A ticking biological clock was a factor for only 21 percent of women .
3. This is a time bomb ticking underneath the state system created by mr karimov .
4. This week you could hear the clock ticking .
5. Leave a box in the corner , and when someone gets on , ask them if they hear something ticking .