Marshall's close control provided early problems for the home team.

An early problem can occur with students who have little experience of writing essays.

He seems to have more than recovered from those early problems.

But there were also reports of earlier problems having to do with Brown's heart.

The nature of the earlier problem also remained a puzzle.

Ring had to come back from early problems to win.

After some early problems, it now works and is being copied by several other countries.

After some early problems this was proved to be a successful system.

Climate change is an environmental problem on a totally different scale from earlier problems.

As with earlier problems, this technique only raises more questions.