translating SAS proc mixed into R lme()

I need  help with translating these SAS codes into R with lme()? I have a
longitudinal data with repeated measures (measurements are equally spaced
in time, subjects are measured several times a year). I need to allow slope
and intercept vary.

SAS codes are:

proc mixed data = survey method=reml;

class  subject var1 var3 var2 time;

model score = var2 score_base var4 var5 var3 var6 var7 var1 time/ noint
solution;

random intercept timecontinious / subject=subject type=un g gcorr v vcorr;

run;