Give someone a slap in the face is the present tense of gave someone a slap in the face.
The third-person singular simple present indicative form of give someone a slap in the face is gives someone a slap in the face.
The present participle of give someone a slap in the face is giving someone a slap in the face.
The past participle of give someone a slap in the face is given someone a slap in the face.