There are separate manual signs for anteriority and posteriority, namely, after and before. However, there is no manual sign that encodes simultaneity.
after before
These two signs are obligatory in the adverbial clause in order to convey the relevant temporal relation.
Meltem Kelepir
© 2020 Kadir Gökgöz, Aslı Göksel, Demet Kayabaşı, Meltem Kelepir, Onur Keleş, Okan Kubus, Aslı Özkul, A. Sumru Özsoy, Burcu Saral, Hande Sevgi, Süleyman S. Taşçı
The entire grammar:
Kelepir, Meltem (ed.). 2020. A Grammar of Turkish Sign Language (TİD). 1st ed. (SIGN-HUB Sign Language Grammar Series). (https://thesignhub.eu/grammar/tid) (Accessed 31-10-2021)
A Chapter:
LastName, FirstName. 2020. Syntax: 3. Coordination and Subordination. In Kelepir, Meltem (ed.). 2020. A Grammar of Turkish Sign Language (TİD). 1st ed. (SIGN-HUB Sign Language Grammar Series), 230-237. (https://thesignhub.eu/grammar/tid) (Accessed 31-10-2021)
A Section:
LastName, FirstName. 2020. Phonology: 1.1.1.2. Finger configuration. In Kelepir, Meltem (ed.). 2020. A Grammar of Turkish Sign Language (TİD). 1st ed. (SIGN-HUB Sign Language Grammar Series), 230-237. (https://thesignhub.eu/grammar/tid) (Accessed 31-10-2021)
LastName, FirstName. 2020. Syntax: 3.1.2.1.3. Manual markers in disjunctive coordination. In Kelepir, Meltem (ed.). 2020. A Grammar of Turkish Sign Language (TİD). 1st ed. (SIGN-HUB Sign Language Grammar Series), 230-237. (https://thesignhub.eu/grammar/tid) (Accessed 31-10-2021)