"possibly added" is grammatically correct and can be used in written English.
You might use it to speculate on the possibility of something being added to something else. For example, "The new regulation might have possibly added an extra layer of complexity to the process."
The gloomy outlook from Mervyn King, and the poor US retail figures released yesterday have taken the shine off the recent bull run, and possibly added a dose of realism to recent events".
The first will be sat in 2017 with other subjects possibly added later.
Based on the FTIR spectra recorded on the two yellow areas, a certain identification of the substance(s) possibly added for obtaining the different consistencies is not achievable.
Spain's 1-1 drawithth Italy in the Group C opener possibly added even greater encouragement to play a little more expansively.
These individual duties, possibly added to counter claims that human rights promote excessive individualism, are owed to family, society, country, and the international community.
If Ariane 6 2 and higher lift performance are available for launch (the baseline mission assumes a launch on a Soyuz Fregat), we expect to have greater spacecraft mobility and possibly added payloads.
An altered intra-peroxisomal balance between ROS production by many oxidases and scavenging of ROS possibly adds to oxidative stress in AD, as recently suggested from animal studies [ 11].
Analysts were quick to trot out other possible cross-border combinations: British Airways reviving its bid for KLM and possibly adding Iberia of Spain; Lufthansa acquiring Scandinavian Airlines System and Austrian Airlines and Air Francee bailing out Alitalia.
Palmer Vineyards has released its first cabernet franc reserve, possibly adding to the beginnings of a trend.
For the moment, they are focusing on possibly adding Lee Mazzilli, Ron Guidry and Larry Bowa to their coaching staff.
So what could several dozen drawings possibly add, other than further repetition?
