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