private void buttonExercitiulAnterior_Click(object sender, EventArgs e)
{
this.Close();
NounsApostrophe nounsApostrophe = new NounsApostrophe();
nounsApostrophe.Show();
}
private void buttonRepetaExercitiul_Click(object sender, EventArgs e)
{
NounsApostrophe openForm = new NounsApostrophe();
openForm.Show();
Visible = false;
}
private void buttonSubstantiveApostrof_Click(object sender, EventArgs e)
{
this.Hide();
NounsApostrophe nounsApostrophe = new NounsApostrophe();
nounsApostrophe.Show();
}