Gareth Southgate has said that match condition and sharpness are among the reasons why England could not play more attacking football again in their 1-0 victory against the Czech Republic.England topped Group D with seven points from three games, after keeping three clean sheets in a row, but they have only scored two goals.After already missing a clinical advantage in the warm-up game, Southgate's team collected just three shots on goal in 90 minutes against the Czechs. Still, it was still more than the two against Croatia…