Rhythms in 4-4-time

All examples are set in a four-four time.
In the first bar, the congas play four crotchets in order to provide information about the tempo.
Notate the rhythm of the snare drum.

Ex. 1
Ex. 2
Ex. 3
Ex. 4
Ex. 5
Ex. 6
Ex. 7
Ex. 8
Ex. 9
Ex. 10