The practice continued only sporadically through the rest of the war.

The battle continued sporadically all day and into the evening.

Talks between the two countries began 16 months ago and have continued sporadically until recent days.

Serious investigations of the site started in the 1940s and continued sporadically until the early 1970s.

The fighting, which began in the early afternoon, continued sporadically into the evening.

Reconstruction efforts began in 1948 and continued sporadically until 1969.

The restoration works have continued sporadically into the beginning of the 21st century under local leadership.

Expansion of the park continues sporadically as new land becomes available.

The fighting started on Friday and continued sporadically throughout the weekend.

Immediately following that, the sound of gunfire began and still continues sporadically.