subjunctive yo form: dar
dé
subjunctive yo form: estar
esté
subjunctive yo form: ir
vaya
subjunctive yo form: saber
sepa
subjunctive yo form: ser
sea
subjunctive yo form: criticar
critique
subjunctive yo form: investigar
investigue
subjunctive yo form: penalizar
penalice
subjunctive yo form: proteger
proteja
subjunctive yo form: extinguir
extinga
subjunctive yo form: haber
haya
it is good that
es bueno que
it is not important that
no es importante que
it is bad that
es malo que
it is dangerous that
es peligroso que
it is not possible that
no es posible que
it is strange that
es raro que
it is a shame that
es una lástima que
it is essential that
es imprescindible que
it is better that
es mejor que