I also found it easy to make sentences by using SVOMPT Rule.
1. Maria and her sister attend classes online.
Subject: Maria and her sister
Verb: attend
Object:classes
Manner:online
2. They learn English quickly.
Subject:They
Verb: learn
Object: English
Manner: quickly
3. Maria submits her homework at night.
Subject: Maria
Verb:submits
Object: her homework
Time: at night
4. They meet their classmates in the park.
Subject: They
Verb: meet
Object: their classmates
Place: in the park