venisset- 3rd person singular pluperfect active subjunctive of venire / to come
relinqueret- 3rd person singular imperfect active subjunctive of relinquere / to leave behind
uteretur- 3rd person singular imperfect passive subjunctive of uterere / to use
oppugnare- present active imperative of oppugnare / to fight
instituit- 3rd person singular present active indicative of instituare / to fix
conferri- present passive infinitive of conferare / to collect
produci- present passive infinitive of producare / to lead
iubet- 3rd person singular present active indicative of iubere / to be imposed
conficeret- 3rd person singular imperfect active subjunctive of conficare / to make
relinquit- 3rd person singular present active indicative of relinquire / to leave
faceret- 3rd person singular imperfect active subjunctive of facere / to build
proficiscitur- 3rd person singular present passive indicative of profiscare / to go
existimarent- 3rd person plural imperfect active subjunctive of existimare / to value
mitterent- 3rd person singular imperfect active subjunctive of mittere / to send
comparabant- 3rd person plural imperfect active indicative of comparare / to connect


pervenit- 3rd person singular present active indicative of pervenire / to arrive
differt- 3rd person singular present active indicative of differere / to scatter
imperat- 3rd person singular present active indicative of imperare / to command
contingebat- 3rd person singular imperfect active indicative of cotingare / to seize
profugerent- 3rd person plural imperfect active subjunctive of profugere / to run away
excubare- present active infinitive of excubare / to camp out




Translation:
On the second day, when he came to a town, Vellaunodunum, in the Senones, he decided to attack, lest he leave behind an enemy


ne= lest


Moods: 
Indicative- stating a fact
Subjunctive- things that might be

• would, could, should, might, may
• ut/ne (purpose clause)
• tantum (result clause)
• Indirect question

Imperative