mettent

/mɛt/mettre
1.
verbInd3rdPresPlur3

put

place

set (down)

Ils mettent les verres sur la table.

They are putting the glasses on the table.

2.
verbInd3rdPresPlur3

put on (clothes)

wear (as a result of putting on)

Elles mettent leur manteau avant de sortir.

They put on their coat before going out.

3.
verbInd3rdPresPlur3

take (time) — used in constructions like 'mettre (du temps) à...'

Ils mettent beaucoup de temps à finir leurs devoirs.

They take a long time to finish their homework.