crack down on
verb
Infinitive
crack down on
Present tense 3rd person singular
cracks down on
Preterite
cracked down on
Present participle
cracking down on
Past participle
cracked down on
verb
crack down on
cracks down on
cracked down on
cracking down on
cracked down on
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb
verb